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Finding the Fourth Proportional to 8,236.44, 12,362.04 and 6,672.78

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Solution

The fourth proportional to 8,236.44, 12,362.04 and 6,672.78 is: 10,015.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,236.44 : 12,362.04 = 6,672.78 : x
  2. Step 2: Convert to fraction form
    8,236.44/12,362.04 = 6,672.78/x
  3. Step 3: Cross multiply
    8,236.44x = 12,362.04 × 6,672.78
  4. Step 4: Simplify right side
    8,236.44x = 82,489,173.27
  5. Step 5: Solve for x
    x = 82,489,173.27/8,236.44
  6. Step 6: Final answer
    x = 10,015.15

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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.