Home / 9,126.27-12,581.33-6,472.71

Finding the Fourth Proportional to 9,126.27, 12,581.33 and 6,472.71

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Solution

The fourth proportional to 9,126.27, 12,581.33 and 6,472.71 is: 8,923.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,126.27 : 12,581.33 = 6,472.71 : x
  2. Step 2: Convert to fraction form
    9,126.27/12,581.33 = 6,472.71/x
  3. Step 3: Cross multiply
    9,126.27x = 12,581.33 × 6,472.71
  4. Step 4: Simplify right side
    9,126.27x = 81,435,268.14
  5. Step 5: Solve for x
    x = 81,435,268.14/9,126.27
  6. Step 6: Final answer
    x = 8,923.17

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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.