Home / 8,769.31-13,149.10-2,922.73

Finding the Fourth Proportional to 8,769.31, 13,149.10 and 2,922.73

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Solution

The fourth proportional to 8,769.31, 13,149.10 and 2,922.73 is: 4,382.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,769.31 : 13,149.10 = 2,922.73 : x
  2. Step 2: Convert to fraction form
    8,769.31/13,149.10 = 2,922.73/x
  3. Step 3: Cross multiply
    8,769.31x = 13,149.10 × 2,922.73
  4. Step 4: Simplify right side
    8,769.31x = 38,431,269.04
  5. Step 5: Solve for x
    x = 38,431,269.04/8,769.31
  6. Step 6: Final answer
    x = 4,382.47

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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.