Home / 5,517.09-7,613.92-3,159.18

Finding the Fourth Proportional to 5,517.09, 7,613.92 and 3,159.18

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Solution

The fourth proportional to 5,517.09, 7,613.92 and 3,159.18 is: 4,359.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,517.09 : 7,613.92 = 3,159.18 : x
  2. Step 2: Convert to fraction form
    5,517.09/7,613.92 = 3,159.18/x
  3. Step 3: Cross multiply
    5,517.09x = 7,613.92 × 3,159.18
  4. Step 4: Simplify right side
    5,517.09x = 24,053,743.79
  5. Step 5: Solve for x
    x = 24,053,743.79/5,517.09
  6. Step 6: Final answer
    x = 4,359.86

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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.