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Finding the Fourth Proportional to 8,205.56, 12,304.02 and 2,938.52

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Solution

The fourth proportional to 8,205.56, 12,304.02 and 2,938.52 is: 4,406.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,205.56 : 12,304.02 = 2,938.52 : x
  2. Step 2: Convert to fraction form
    8,205.56/12,304.02 = 2,938.52/x
  3. Step 3: Cross multiply
    8,205.56x = 12,304.02 × 2,938.52
  4. Step 4: Simplify right side
    8,205.56x = 36,155,608.85
  5. Step 5: Solve for x
    x = 36,155,608.85/8,205.56
  6. Step 6: Final answer
    x = 4,406.23

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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.