Home / 5,517.27-7,613.73-2,999.43

Finding the Fourth Proportional to 5,517.27, 7,613.73 and 2,999.43

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Solution

The fourth proportional to 5,517.27, 7,613.73 and 2,999.43 is: 4,139.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,517.27 : 7,613.73 = 2,999.43 : x
  2. Step 2: Convert to fraction form
    5,517.27/7,613.73 = 2,999.43/x
  3. Step 3: Cross multiply
    5,517.27x = 7,613.73 × 2,999.43
  4. Step 4: Simplify right side
    5,517.27x = 22,836,850.17
  5. Step 5: Solve for x
    x = 22,836,850.17/5,517.27
  6. Step 6: Final answer
    x = 4,139.16

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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.