Home / 8,747.64-13,115.99-2,902.88

Finding the Fourth Proportional to 8,747.64, 13,115.99 and 2,902.88

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Solution

The fourth proportional to 8,747.64, 13,115.99 and 2,902.88 is: 4,352.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,747.64 : 13,115.99 = 2,902.88 : x
  2. Step 2: Convert to fraction form
    8,747.64/13,115.99 = 2,902.88/x
  3. Step 3: Cross multiply
    8,747.64x = 13,115.99 × 2,902.88
  4. Step 4: Simplify right side
    8,747.64x = 38,074,185.10
  5. Step 5: Solve for x
    x = 38,074,185.10/8,747.64
  6. Step 6: Final answer
    x = 4,352.51

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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.