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Finding the Fourth Proportional to 6,245.70, 8,601.53 and 6,109.62

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Solution

The fourth proportional to 6,245.70, 8,601.53 and 6,109.62 is: 8,414.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,245.70 : 8,601.53 = 6,109.62 : x
  2. Step 2: Convert to fraction form
    6,245.70/8,601.53 = 6,109.62/x
  3. Step 3: Cross multiply
    6,245.70x = 8,601.53 × 6,109.62
  4. Step 4: Simplify right side
    6,245.70x = 52,552,049.17
  5. Step 5: Solve for x
    x = 52,552,049.17/6,245.70
  6. Step 6: Final answer
    x = 8,414.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.