Home / 5,257.10-7,882.00-2,481.43

Finding the Fourth Proportional to 5,257.10, 7,882.00 and 2,481.43

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Solution

The fourth proportional to 5,257.10, 7,882.00 and 2,481.43 is: 3,720.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,257.10 : 7,882.00 = 2,481.43 : x
  2. Step 2: Convert to fraction form
    5,257.10/7,882.00 = 2,481.43/x
  3. Step 3: Cross multiply
    5,257.10x = 7,882.00 × 2,481.43
  4. Step 4: Simplify right side
    5,257.10x = 19,558,618.85
  5. Step 5: Solve for x
    x = 19,558,618.85/5,257.10
  6. Step 6: Final answer
    x = 3,720.42

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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.