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Finding the Fourth Proportional to 8,809, 13,204.19 and 3,258.78

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Solution

The fourth proportional to 8,809, 13,204.19 and 3,258.78 is: 4,884.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,809 : 13,204.19 = 3,258.78 : x
  2. Step 2: Convert to fraction form
    8,809/13,204.19 = 3,258.78/x
  3. Step 3: Cross multiply
    8,809x = 13,204.19 × 3,258.78
  4. Step 4: Simplify right side
    8,809x = 43,029,550.29
  5. Step 5: Solve for x
    x = 43,029,550.29/8,809
  6. Step 6: Final answer
    x = 4,884.73

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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.