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Finding the Fourth Proportional to 8,162.36, 12,244 and 2,318.50

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Solution

The fourth proportional to 8,162.36, 12,244 and 2,318.50 is: 3,477.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,162.36 : 12,244 = 2,318.50 : x
  2. Step 2: Convert to fraction form
    8,162.36/12,244 = 2,318.50/x
  3. Step 3: Cross multiply
    8,162.36x = 12,244 × 2,318.50
  4. Step 4: Simplify right side
    8,162.36x = 28,387,714
  5. Step 5: Solve for x
    x = 28,387,714/8,162.36
  6. Step 6: Final answer
    x = 3,477.88

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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.