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Finding the Fourth Proportional to 8,006.44, 12,008.80 and 2,163.64

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Solution

The fourth proportional to 8,006.44, 12,008.80 and 2,163.64 is: 3,245.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,006.44 : 12,008.80 = 2,163.64 : x
  2. Step 2: Convert to fraction form
    8,006.44/12,008.80 = 2,163.64/x
  3. Step 3: Cross multiply
    8,006.44x = 12,008.80 × 2,163.64
  4. Step 4: Simplify right side
    8,006.44x = 25,982,720.03
  5. Step 5: Solve for x
    x = 25,982,720.03/8,006.44
  6. Step 6: Final answer
    x = 3,245.23

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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.