Home / 7,769.88-11,652.39-3,382.92

Finding the Fourth Proportional to 7,769.88, 11,652.39 and 3,382.92

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Solution

The fourth proportional to 7,769.88, 11,652.39 and 3,382.92 is: 5,073.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,769.88 : 11,652.39 = 3,382.92 : x
  2. Step 2: Convert to fraction form
    7,769.88/11,652.39 = 3,382.92/x
  3. Step 3: Cross multiply
    7,769.88x = 11,652.39 × 3,382.92
  4. Step 4: Simplify right side
    7,769.88x = 39,419,103.18
  5. Step 5: Solve for x
    x = 39,419,103.18/7,769.88
  6. Step 6: Final answer
    x = 5,073.32

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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.