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Finding the Fourth Proportional to 8,502.33, 12,754.26 and 2,658.79

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Solution

The fourth proportional to 8,502.33, 12,754.26 and 2,658.79 is: 3,988.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,502.33 : 12,754.26 = 2,658.79 : x
  2. Step 2: Convert to fraction form
    8,502.33/12,754.26 = 2,658.79/x
  3. Step 3: Cross multiply
    8,502.33x = 12,754.26 × 2,658.79
  4. Step 4: Simplify right side
    8,502.33x = 33,910,914.89
  5. Step 5: Solve for x
    x = 33,910,914.89/8,502.33
  6. Step 6: Final answer
    x = 3,988.42

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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.