Home / 8,734.90-13,076.56-5,767.87

Finding the Fourth Proportional to 8,734.90, 13,076.56 and 5,767.87

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Solution

The fourth proportional to 8,734.90, 13,076.56 and 5,767.87 is: 8,634.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,734.90 : 13,076.56 = 5,767.87 : x
  2. Step 2: Convert to fraction form
    8,734.90/13,076.56 = 5,767.87/x
  3. Step 3: Cross multiply
    8,734.90x = 13,076.56 × 5,767.87
  4. Step 4: Simplify right side
    8,734.90x = 75,423,898.13
  5. Step 5: Solve for x
    x = 75,423,898.13/8,734.90
  6. Step 6: Final answer
    x = 8,634.78

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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.