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Finding the Fourth Proportional to 8,441.50, 12,630.12 and 5,097.44

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Solution

The fourth proportional to 8,441.50, 12,630.12 and 5,097.44 is: 7,626.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,441.50 : 12,630.12 = 5,097.44 : x
  2. Step 2: Convert to fraction form
    8,441.50/12,630.12 = 5,097.44/x
  3. Step 3: Cross multiply
    8,441.50x = 12,630.12 × 5,097.44
  4. Step 4: Simplify right side
    8,441.50x = 64,381,278.89
  5. Step 5: Solve for x
    x = 64,381,278.89/8,441.50
  6. Step 6: Final answer
    x = 7,626.76

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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.