Home / 6,640.20-9,960.66-2,481.30

Finding the Fourth Proportional to 6,640.20, 9,960.66 and 2,481.30

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Solution

The fourth proportional to 6,640.20, 9,960.66 and 2,481.30 is: 3,722.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,640.20 : 9,960.66 = 2,481.30 : x
  2. Step 2: Convert to fraction form
    6,640.20/9,960.66 = 2,481.30/x
  3. Step 3: Cross multiply
    6,640.20x = 9,960.66 × 2,481.30
  4. Step 4: Simplify right side
    6,640.20x = 24,715,385.66
  5. Step 5: Solve for x
    x = 24,715,385.66/6,640.20
  6. Step 6: Final answer
    x = 3,722.08

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1.5x scale

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.