Home / 5,144.27-7,716.38-1,248.65

Finding the Fourth Proportional to 5,144.27, 7,716.38 and 1,248.65

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Solution

The fourth proportional to 5,144.27, 7,716.38 and 1,248.65 is: 1,872.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,144.27 : 7,716.38 = 1,248.65 : x
  2. Step 2: Convert to fraction form
    5,144.27/7,716.38 = 1,248.65/x
  3. Step 3: Cross multiply
    5,144.27x = 7,716.38 × 1,248.65
  4. Step 4: Simplify right side
    5,144.27x = 9,635,075.62
  5. Step 5: Solve for x
    x = 9,635,075.62/5,144.27
  6. Step 6: Final answer
    x = 1,872.97

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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.