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Finding the Fourth Proportional to 8,147.44, 12,222.78 and 3,467.44

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Solution

The fourth proportional to 8,147.44, 12,222.78 and 3,467.44 is: 5,201.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,147.44 : 12,222.78 = 3,467.44 : x
  2. Step 2: Convert to fraction form
    8,147.44/12,222.78 = 3,467.44/x
  3. Step 3: Cross multiply
    8,147.44x = 12,222.78 × 3,467.44
  4. Step 4: Simplify right side
    8,147.44x = 42,381,756.28
  5. Step 5: Solve for x
    x = 42,381,756.28/8,147.44
  6. Step 6: Final answer
    x = 5,201.85

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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.