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Finding the Fourth Proportional to 8,008.80, 12,013.02 and 3,623.10

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Solution

The fourth proportional to 8,008.80, 12,013.02 and 3,623.10 is: 5,434.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,008.80 : 12,013.02 = 3,623.10 : x
  2. Step 2: Convert to fraction form
    8,008.80/12,013.02 = 3,623.10/x
  3. Step 3: Cross multiply
    8,008.80x = 12,013.02 × 3,623.10
  4. Step 4: Simplify right side
    8,008.80x = 43,524,372.76
  5. Step 5: Solve for x
    x = 43,524,372.76/8,008.80
  6. Step 6: Final answer
    x = 5,434.57

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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.