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Finding the Fourth Proportional to 8,791.91, 13,189.78 and 2,552

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Solution

The fourth proportional to 8,791.91, 13,189.78 and 2,552 is: 3,828.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,791.91 : 13,189.78 = 2,552 : x
  2. Step 2: Convert to fraction form
    8,791.91/13,189.78 = 2,552/x
  3. Step 3: Cross multiply
    8,791.91x = 13,189.78 × 2,552
  4. Step 4: Simplify right side
    8,791.91x = 33,660,318.56
  5. Step 5: Solve for x
    x = 33,660,318.56/8,791.91
  6. Step 6: Final answer
    x = 3,828.56

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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.