Home / 5,144.11-7,716.11-1,248.52

Finding the Fourth Proportional to 5,144.11, 7,716.11 and 1,248.52

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Solution

The fourth proportional to 5,144.11, 7,716.11 and 1,248.52 is: 1,872.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,144.11 : 7,716.11 = 1,248.52 : x
  2. Step 2: Convert to fraction form
    5,144.11/7,716.11 = 1,248.52/x
  3. Step 3: Cross multiply
    5,144.11x = 7,716.11 × 1,248.52
  4. Step 4: Simplify right side
    5,144.11x = 9,633,699.15
  5. Step 5: Solve for x
    x = 9,633,699.15/5,144.11
  6. Step 6: Final answer
    x = 1,872.76

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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.