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Finding the Fourth Proportional to 6,834.20, 10,251.30 and 6,546.20

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Solution

The fourth proportional to 6,834.20, 10,251.30 and 6,546.20 is: 9,819.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,834.20 : 10,251.30 = 6,546.20 : x
  2. Step 2: Convert to fraction form
    6,834.20/10,251.30 = 6,546.20/x
  3. Step 3: Cross multiply
    6,834.20x = 10,251.30 × 6,546.20
  4. Step 4: Simplify right side
    6,834.20x = 67,107,060.06
  5. Step 5: Solve for x
    x = 67,107,060.06/6,834.20
  6. Step 6: Final answer
    x = 9,819.30

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Similar ratio
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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.