Home / 8,562.43-12,838.78-5,102.11

Finding the Fourth Proportional to 8,562.43, 12,838.78 and 5,102.11

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Solution

The fourth proportional to 8,562.43, 12,838.78 and 5,102.11 is: 7,650.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,562.43 : 12,838.78 = 5,102.11 : x
  2. Step 2: Convert to fraction form
    8,562.43/12,838.78 = 5,102.11/x
  3. Step 3: Cross multiply
    8,562.43x = 12,838.78 × 5,102.11
  4. Step 4: Simplify right side
    8,562.43x = 65,504,867.83
  5. Step 5: Solve for x
    x = 65,504,867.83/8,562.43
  6. Step 6: Final answer
    x = 7,650.27

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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.