Home / 6,755.20-10,132.80-3,474.70

Finding the Fourth Proportional to 6,755.20, 10,132.80 and 3,474.70

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Solution

The fourth proportional to 6,755.20, 10,132.80 and 3,474.70 is: 5,212.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,755.20 : 10,132.80 = 3,474.70 : x
  2. Step 2: Convert to fraction form
    6,755.20/10,132.80 = 3,474.70/x
  3. Step 3: Cross multiply
    6,755.20x = 10,132.80 × 3,474.70
  4. Step 4: Simplify right side
    6,755.20x = 35,208,440.16
  5. Step 5: Solve for x
    x = 35,208,440.16/6,755.20
  6. Step 6: Final answer
    x = 5,212.05

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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.