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Finding the Fourth Proportional to 8,779, 13,175.42 and 3,852.04

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Solution

The fourth proportional to 8,779, 13,175.42 and 3,852.04 is: 5,781.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,779 : 13,175.42 = 3,852.04 : x
  2. Step 2: Convert to fraction form
    8,779/13,175.42 = 3,852.04/x
  3. Step 3: Cross multiply
    8,779x = 13,175.42 × 3,852.04
  4. Step 4: Simplify right side
    8,779x = 50,752,244.86
  5. Step 5: Solve for x
    x = 50,752,244.86/8,779
  6. Step 6: Final answer
    x = 5,781.10

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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.