Home / 5,240.13-7,231.37-2,882.42

Finding the Fourth Proportional to 5,240.13, 7,231.37 and 2,882.42

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Solution

The fourth proportional to 5,240.13, 7,231.37 and 2,882.42 is: 3,977.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,240.13 : 7,231.37 = 2,882.42 : x
  2. Step 2: Convert to fraction form
    5,240.13/7,231.37 = 2,882.42/x
  3. Step 3: Cross multiply
    5,240.13x = 7,231.37 × 2,882.42
  4. Step 4: Simplify right side
    5,240.13x = 20,843,845.52
  5. Step 5: Solve for x
    x = 20,843,845.52/5,240.13
  6. Step 6: Final answer
    x = 3,977.73

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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.