Home / 6,450.80-9,687.24-3,966.57

Finding the Fourth Proportional to 6,450.80, 9,687.24 and 3,966.57

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Solution

The fourth proportional to 6,450.80, 9,687.24 and 3,966.57 is: 5,956.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,450.80 : 9,687.24 = 3,966.57 : x
  2. Step 2: Convert to fraction form
    6,450.80/9,687.24 = 3,966.57/x
  3. Step 3: Cross multiply
    6,450.80x = 9,687.24 × 3,966.57
  4. Step 4: Simplify right side
    6,450.80x = 38,425,115.57
  5. Step 5: Solve for x
    x = 38,425,115.57/6,450.80
  6. Step 6: Final answer
    x = 5,956.65

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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.