Home / 8,831.31-13,251.57-3,567.62

Finding the Fourth Proportional to 8,831.31, 13,251.57 and 3,567.62

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Solution

The fourth proportional to 8,831.31, 13,251.57 and 3,567.62 is: 5,353.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,831.31 : 13,251.57 = 3,567.62 : x
  2. Step 2: Convert to fraction form
    8,831.31/13,251.57 = 3,567.62/x
  3. Step 3: Cross multiply
    8,831.31x = 13,251.57 × 3,567.62
  4. Step 4: Simplify right side
    8,831.31x = 47,276,585.91
  5. Step 5: Solve for x
    x = 47,276,585.91/8,831.31
  6. Step 6: Final answer
    x = 5,353.29

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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.