Home / 5,747.34-7,931.10-3,229.44

Finding the Fourth Proportional to 5,747.34, 7,931.10 and 3,229.44

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Solution

The fourth proportional to 5,747.34, 7,931.10 and 3,229.44 is: 4,456.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,747.34 : 7,931.10 = 3,229.44 : x
  2. Step 2: Convert to fraction form
    5,747.34/7,931.10 = 3,229.44/x
  3. Step 3: Cross multiply
    5,747.34x = 7,931.10 × 3,229.44
  4. Step 4: Simplify right side
    5,747.34x = 25,613,011.58
  5. Step 5: Solve for x
    x = 25,613,011.58/5,747.34
  6. Step 6: Final answer
    x = 4,456.50

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.