Home / 5,489.28-7,569.45-4,148.04

Finding the Fourth Proportional to 5,489.28, 7,569.45 and 4,148.04

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Solution

The fourth proportional to 5,489.28, 7,569.45 and 4,148.04 is: 5,719.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,489.28 : 7,569.45 = 4,148.04 : x
  2. Step 2: Convert to fraction form
    5,489.28/7,569.45 = 4,148.04/x
  3. Step 3: Cross multiply
    5,489.28x = 7,569.45 × 4,148.04
  4. Step 4: Simplify right side
    5,489.28x = 31,398,381.38
  5. Step 5: Solve for x
    x = 31,398,381.38/5,489.28
  6. Step 6: Final answer
    x = 5,719.95

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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.