Home / 5,439.62-7,505.87-3,081.92

Finding the Fourth Proportional to 5,439.62, 7,505.87 and 3,081.92

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Solution

The fourth proportional to 5,439.62, 7,505.87 and 3,081.92 is: 4,252.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,439.62 : 7,505.87 = 3,081.92 : x
  2. Step 2: Convert to fraction form
    5,439.62/7,505.87 = 3,081.92/x
  3. Step 3: Cross multiply
    5,439.62x = 7,505.87 × 3,081.92
  4. Step 4: Simplify right side
    5,439.62x = 23,132,437.93
  5. Step 5: Solve for x
    x = 23,132,437.93/5,439.62
  6. Step 6: Final answer
    x = 4,252.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.