Home / 9,470.28-14,207.85-3,921.78

Finding the Fourth Proportional to 9,470.28, 14,207.85 and 3,921.78

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Solution

The fourth proportional to 9,470.28, 14,207.85 and 3,921.78 is: 5,883.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,470.28 : 14,207.85 = 3,921.78 : x
  2. Step 2: Convert to fraction form
    9,470.28/14,207.85 = 3,921.78/x
  3. Step 3: Cross multiply
    9,470.28x = 14,207.85 × 3,921.78
  4. Step 4: Simplify right side
    9,470.28x = 55,720,061.97
  5. Step 5: Solve for x
    x = 55,720,061.97/9,470.28
  6. Step 6: Final answer
    x = 5,883.68

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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.