Home / 7,687.96-11,529.96-2,757.04

Finding the Fourth Proportional to 7,687.96, 11,529.96 and 2,757.04

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Solution

The fourth proportional to 7,687.96, 11,529.96 and 2,757.04 is: 4,134.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,687.96 : 11,529.96 = 2,757.04 : x
  2. Step 2: Convert to fraction form
    7,687.96/11,529.96 = 2,757.04/x
  3. Step 3: Cross multiply
    7,687.96x = 11,529.96 × 2,757.04
  4. Step 4: Simplify right side
    7,687.96x = 31,788,560.92
  5. Step 5: Solve for x
    x = 31,788,560.92/7,687.96
  6. Step 6: Final answer
    x = 4,134.85

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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.