Home / 8,932.40-13,399.92-3,087.44

Finding the Fourth Proportional to 8,932.40, 13,399.92 and 3,087.44

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Solution

The fourth proportional to 8,932.40, 13,399.92 and 3,087.44 is: 4,631.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,932.40 : 13,399.92 = 3,087.44 : x
  2. Step 2: Convert to fraction form
    8,932.40/13,399.92 = 3,087.44/x
  3. Step 3: Cross multiply
    8,932.40x = 13,399.92 × 3,087.44
  4. Step 4: Simplify right side
    8,932.40x = 41,371,449.00
  5. Step 5: Solve for x
    x = 41,371,449.00/8,932.40
  6. Step 6: Final answer
    x = 4,631.62

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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.