Home / 6,747.20-10,121.92-2,587.04

Finding the Fourth Proportional to 6,747.20, 10,121.92 and 2,587.04

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Solution

The fourth proportional to 6,747.20, 10,121.92 and 2,587.04 is: 3,880.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,747.20 : 10,121.92 = 2,587.04 : x
  2. Step 2: Convert to fraction form
    6,747.20/10,121.92 = 2,587.04/x
  3. Step 3: Cross multiply
    6,747.20x = 10,121.92 × 2,587.04
  4. Step 4: Simplify right side
    6,747.20x = 26,185,811.92
  5. Step 5: Solve for x
    x = 26,185,811.92/6,747.20
  6. Step 6: Final answer
    x = 3,880.99

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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.