Home / 5,240.48-7,231.87-2,882.62

Finding the Fourth Proportional to 5,240.48, 7,231.87 and 2,882.62

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Solution

The fourth proportional to 5,240.48, 7,231.87 and 2,882.62 is: 3,978.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,240.48 : 7,231.87 = 2,882.62 : x
  2. Step 2: Convert to fraction form
    5,240.48/7,231.87 = 2,882.62/x
  3. Step 3: Cross multiply
    5,240.48x = 7,231.87 × 2,882.62
  4. Step 4: Simplify right side
    5,240.48x = 20,846,733.10
  5. Step 5: Solve for x
    x = 20,846,733.10/5,240.48
  6. Step 6: Final answer
    x = 3,978.02

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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.