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Finding the Fourth Proportional to 6,908.70, 10,363.05 and 6,179.70

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Solution

The fourth proportional to 6,908.70, 10,363.05 and 6,179.70 is: 9,269.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,908.70 : 10,363.05 = 6,179.70 : x
  2. Step 2: Convert to fraction form
    6,908.70/10,363.05 = 6,179.70/x
  3. Step 3: Cross multiply
    6,908.70x = 10,363.05 × 6,179.70
  4. Step 4: Simplify right side
    6,908.70x = 64,040,540.09
  5. Step 5: Solve for x
    x = 64,040,540.09/6,908.70
  6. Step 6: Final answer
    x = 9,269.55

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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.