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Finding the Fourth Proportional to 8,892.98, 13,329.20 and 3,342.78

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Solution

The fourth proportional to 8,892.98, 13,329.20 and 3,342.78 is: 5,010.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,892.98 : 13,329.20 = 3,342.78 : x
  2. Step 2: Convert to fraction form
    8,892.98/13,329.20 = 3,342.78/x
  3. Step 3: Cross multiply
    8,892.98x = 13,329.20 × 3,342.78
  4. Step 4: Simplify right side
    8,892.98x = 44,556,586.77
  5. Step 5: Solve for x
    x = 44,556,586.77/8,892.98
  6. Step 6: Final answer
    x = 5,010.31

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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.