Home / 5,149-7,724.79-2,377.61

Finding the Fourth Proportional to 5,149, 7,724.79 and 2,377.61

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Solution

The fourth proportional to 5,149, 7,724.79 and 2,377.61 is: 3,567.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,149 : 7,724.79 = 2,377.61 : x
  2. Step 2: Convert to fraction form
    5,149/7,724.79 = 2,377.61/x
  3. Step 3: Cross multiply
    5,149x = 7,724.79 × 2,377.61
  4. Step 4: Simplify right side
    5,149x = 18,366,537.95
  5. Step 5: Solve for x
    x = 18,366,537.95/5,149
  6. Step 6: Final answer
    x = 3,567.01

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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.