Home / 6,613.43-9,125.82-3,781.53

Finding the Fourth Proportional to 6,613.43, 9,125.82 and 3,781.53

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Solution

The fourth proportional to 6,613.43, 9,125.82 and 3,781.53 is: 5,218.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,613.43 : 9,125.82 = 3,781.53 : x
  2. Step 2: Convert to fraction form
    6,613.43/9,125.82 = 3,781.53/x
  3. Step 3: Cross multiply
    6,613.43x = 9,125.82 × 3,781.53
  4. Step 4: Simplify right side
    6,613.43x = 34,509,562.10
  5. Step 5: Solve for x
    x = 34,509,562.10/6,613.43
  6. Step 6: Final answer
    x = 5,218.11

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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.