Home / 5,248.76-7,243.28-2,891.06

Finding the Fourth Proportional to 5,248.76, 7,243.28 and 2,891.06

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Solution

The fourth proportional to 5,248.76, 7,243.28 and 2,891.06 is: 3,989.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,248.76 : 7,243.28 = 2,891.06 : x
  2. Step 2: Convert to fraction form
    5,248.76/7,243.28 = 2,891.06/x
  3. Step 3: Cross multiply
    5,248.76x = 7,243.28 × 2,891.06
  4. Step 4: Simplify right side
    5,248.76x = 20,940,757.08
  5. Step 5: Solve for x
    x = 20,940,757.08/5,248.76
  6. Step 6: Final answer
    x = 3,989.66

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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.