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Proportion

Cross-multiply equal ratios

Grade 8 · Proportion

Easy 20 questions Worksheet #74972 For Proportion

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Grade 8 · Proportion

Easy · 20 questions · Worksheet #74972 · Proportion

Name: ________________________

Date: ______________ Score: ______

  1. fill Solve the proportion: 3/4 = 6/x. (x = (b×c)/a)
    ______________________________
  2. fill Solve the proportion: 8/8 = 5/x. (x = (b×c)/a)
    ______________________________
  3. fill Solve the proportion: 4/12 = 2/x. (x = (b×c)/a)
    ______________________________
  4. fill Solve the proportion: 2/11 = 4/x. (x = (b×c)/a)
    ______________________________
  5. fill Solve the proportion: 5/5 = 8/x. (x = (b×c)/a)
    ______________________________
  6. fill Solve the proportion: 2/12 = 5/x. (x = (b×c)/a)
    ______________________________
  7. fill Solve the proportion: 2/10 = 3/x. (x = (b×c)/a)
    ______________________________
  8. fill Solve the proportion: 4/8 = 6/x. (x = (b×c)/a)
    ______________________________
  9. fill Solve the proportion: 4/6 = 6/x. (x = (b×c)/a)
    ______________________________
  10. fill Solve the proportion: 6/10 = 6/x. (x = (b×c)/a)
    ______________________________
  11. fill Solve the proportion: 6/12 = 9/x. (x = (b×c)/a)
    ______________________________
  12. fill Solve the proportion: 9/12 = 6/x. (x = (b×c)/a)
    ______________________________
  13. fill Solve the proportion: 5/5 = 2/x. (x = (b×c)/a)
    ______________________________
  14. fill Solve the proportion: 4/4 = 3/x. (x = (b×c)/a)
    ______________________________
  15. fill Solve the proportion: 8/10 = 8/x. (x = (b×c)/a)
    ______________________________
  16. fill Solve the proportion: 9/3 = 3/x. (x = (b×c)/a)
    ______________________________
  17. fill Solve the proportion: 3/12 = 7/x. (x = (b×c)/a)
    ______________________________
  18. fill Solve the proportion: 6/3 = 4/x. (x = (b×c)/a)
    ______________________________
  19. fill Solve the proportion: 7/3 = 7/x. (x = (b×c)/a)
    ______________________________
  20. fill Solve the proportion: 4/12 = 4/x. (x = (b×c)/a)
    ______________________________

Updated July 2026

FAQs

What is Proportion?

Proportion (proportion) is a arithmetic relationship written as Cross-multiply equal ratios or a/b = c/d → a×d = b×c. Students use it to solve unknowns when enough values are known.

How do you calculate Proportion step by step?

Write Cross-multiply equal ratios, substitute the known numbers carefully, then simplify. Worked walkthrough: 3/4 = x/12 3×12 = 4x x = 9.

When is Proportion taught in school?

Proportion usually appears in arithmetic units during middle or secondary school. Match difficulty with MathDigits grade worksheets so practice fits the curriculum year.

What is a real example of Proportion?

On this page the worked result is x = 9. Generate a formula worksheet below for more unique practice sets.

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