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Finding the Fourth Proportional to 8,229, 12,348.36 and 3,548.88

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Solution

The fourth proportional to 8,229, 12,348.36 and 3,548.88 is: 5,325.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,229 : 12,348.36 = 3,548.88 : x
  2. Step 2: Convert to fraction form
    8,229/12,348.36 = 3,548.88/x
  3. Step 3: Cross multiply
    8,229x = 12,348.36 × 3,548.88
  4. Step 4: Simplify right side
    8,229x = 43,822,847.84
  5. Step 5: Solve for x
    x = 43,822,847.84/8,229
  6. Step 6: Final answer
    x = 5,325.42

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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.