Home / 6,613.71-9,126.50-3,781.27

Finding the Fourth Proportional to 6,613.71, 9,126.50 and 3,781.27

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Solution

The fourth proportional to 6,613.71, 9,126.50 and 3,781.27 is: 5,217.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,613.71 : 9,126.50 = 3,781.27 : x
  2. Step 2: Convert to fraction form
    6,613.71/9,126.50 = 3,781.27/x
  3. Step 3: Cross multiply
    6,613.71x = 9,126.50 × 3,781.27
  4. Step 4: Simplify right side
    6,613.71x = 34,509,760.66
  5. Step 5: Solve for x
    x = 34,509,760.66/6,613.71
  6. Step 6: Final answer
    x = 5,217.91

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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.