Home / 6,728.20-10,098.30-3,951.40

Finding the Fourth Proportional to 6,728.20, 10,098.30 and 3,951.40

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Solution

The fourth proportional to 6,728.20, 10,098.30 and 3,951.40 is: 5,930.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,728.20 : 10,098.30 = 3,951.40 : x
  2. Step 2: Convert to fraction form
    6,728.20/10,098.30 = 3,951.40/x
  3. Step 3: Cross multiply
    6,728.20x = 10,098.30 × 3,951.40
  4. Step 4: Simplify right side
    6,728.20x = 39,902,422.62
  5. Step 5: Solve for x
    x = 39,902,422.62/6,728.20
  6. Step 6: Final answer
    x = 5,930.62

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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.