Home / 9,142.38-13,711.88-2,566.92

Finding the Fourth Proportional to 9,142.38, 13,711.88 and 2,566.92

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Solution

The fourth proportional to 9,142.38, 13,711.88 and 2,566.92 is: 3,849.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,142.38 : 13,711.88 = 2,566.92 : x
  2. Step 2: Convert to fraction form
    9,142.38/13,711.88 = 2,566.92/x
  3. Step 3: Cross multiply
    9,142.38x = 13,711.88 × 2,566.92
  4. Step 4: Simplify right side
    9,142.38x = 35,197,299.01
  5. Step 5: Solve for x
    x = 35,197,299.01/9,142.38
  6. Step 6: Final answer
    x = 3,849.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.