Home / 4,757.40-7,136.10-3,445.20

Finding the Fourth Proportional to 4,757.40, 7,136.10 and 3,445.20

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Solution

The fourth proportional to 4,757.40, 7,136.10 and 3,445.20 is: 5,167.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,757.40 : 7,136.10 = 3,445.20 : x
  2. Step 2: Convert to fraction form
    4,757.40/7,136.10 = 3,445.20/x
  3. Step 3: Cross multiply
    4,757.40x = 7,136.10 × 3,445.20
  4. Step 4: Simplify right side
    4,757.40x = 24,585,291.72
  5. Step 5: Solve for x
    x = 24,585,291.72/4,757.40
  6. Step 6: Final answer
    x = 5,167.80

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.