Home / 8,756.75-13,134.92-2,516.78

Finding the Fourth Proportional to 8,756.75, 13,134.92 and 2,516.78

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Solution

The fourth proportional to 8,756.75, 13,134.92 and 2,516.78 is: 3,775.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,756.75 : 13,134.92 = 2,516.78 : x
  2. Step 2: Convert to fraction form
    8,756.75/13,134.92 = 2,516.78/x
  3. Step 3: Cross multiply
    8,756.75x = 13,134.92 × 2,516.78
  4. Step 4: Simplify right side
    8,756.75x = 33,057,625.70
  5. Step 5: Solve for x
    x = 33,057,625.70/8,756.75
  6. Step 6: Final answer
    x = 3,775.10

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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.