Home / 5,440.32-8,160.24-3,792

Finding the Fourth Proportional to 5,440.32, 8,160.24 and 3,792

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Solution

The fourth proportional to 5,440.32, 8,160.24 and 3,792 is: 5,687.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,440.32 : 8,160.24 = 3,792 : x
  2. Step 2: Convert to fraction form
    5,440.32/8,160.24 = 3,792/x
  3. Step 3: Cross multiply
    5,440.32x = 8,160.24 × 3,792
  4. Step 4: Simplify right side
    5,440.32x = 30,943,630.08
  5. Step 5: Solve for x
    x = 30,943,630.08/5,440.32
  6. Step 6: Final answer
    x = 5,687.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.