Home / 5,240.39-7,231.76-2,882.68

Finding the Fourth Proportional to 5,240.39, 7,231.76 and 2,882.68

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Solution

The fourth proportional to 5,240.39, 7,231.76 and 2,882.68 is: 3,978.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,240.39 : 7,231.76 = 2,882.68 : x
  2. Step 2: Convert to fraction form
    5,240.39/7,231.76 = 2,882.68/x
  3. Step 3: Cross multiply
    5,240.39x = 7,231.76 × 2,882.68
  4. Step 4: Simplify right side
    5,240.39x = 20,846,835.50
  5. Step 5: Solve for x
    x = 20,846,835.50/5,240.39
  6. Step 6: Final answer
    x = 3,978.11

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