Home / 5,711.45-7,882.09-3,472.95

Finding the Fourth Proportional to 5,711.45, 7,882.09 and 3,472.95

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Solution

The fourth proportional to 5,711.45, 7,882.09 and 3,472.95 is: 4,792.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,711.45 : 7,882.09 = 3,472.95 : x
  2. Step 2: Convert to fraction form
    5,711.45/7,882.09 = 3,472.95/x
  3. Step 3: Cross multiply
    5,711.45x = 7,882.09 × 3,472.95
  4. Step 4: Simplify right side
    5,711.45x = 27,374,095.78
  5. Step 5: Solve for x
    x = 27,374,095.78/5,711.45
  6. Step 6: Final answer
    x = 4,792.85

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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.