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Finding the Fourth Proportional to 8,900.96, 13,352.36 and 3,358.97

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Solution

The fourth proportional to 8,900.96, 13,352.36 and 3,358.97 is: 5,038.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,900.96 : 13,352.36 = 3,358.97 : x
  2. Step 2: Convert to fraction form
    8,900.96/13,352.36 = 3,358.97/x
  3. Step 3: Cross multiply
    8,900.96x = 13,352.36 × 3,358.97
  4. Step 4: Simplify right side
    8,900.96x = 44,850,159.87
  5. Step 5: Solve for x
    x = 44,850,159.87/8,900.96
  6. Step 6: Final answer
    x = 5,038.80

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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.