Home / 6,458.68-9,687.96-2,757.76

Finding the Fourth Proportional to 6,458.68, 9,687.96 and 2,757.76

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Solution

The fourth proportional to 6,458.68, 9,687.96 and 2,757.76 is: 4,136.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,458.68 : 9,687.96 = 2,757.76 : x
  2. Step 2: Convert to fraction form
    6,458.68/9,687.96 = 2,757.76/x
  3. Step 3: Cross multiply
    6,458.68x = 9,687.96 × 2,757.76
  4. Step 4: Simplify right side
    6,458.68x = 26,717,068.57
  5. Step 5: Solve for x
    x = 26,717,068.57/6,458.68
  6. Step 6: Final answer
    x = 4,136.61

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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.