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Finding the Fourth Proportional to 8,672.01, 13,008.60 and 3,049.01

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Solution

The fourth proportional to 8,672.01, 13,008.60 and 3,049.01 is: 4,573.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,672.01 : 13,008.60 = 3,049.01 : x
  2. Step 2: Convert to fraction form
    8,672.01/13,008.60 = 3,049.01/x
  3. Step 3: Cross multiply
    8,672.01x = 13,008.60 × 3,049.01
  4. Step 4: Simplify right side
    8,672.01x = 39,663,335.23
  5. Step 5: Solve for x
    x = 39,663,335.23/8,672.01
  6. Step 6: Final answer
    x = 4,573.72

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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.