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Finding the Fourth Proportional to 8,781.62, 13,173.04 and 4,341.62

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Solution

The fourth proportional to 8,781.62, 13,173.04 and 4,341.62 is: 6,512.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,781.62 : 13,173.04 = 4,341.62 : x
  2. Step 2: Convert to fraction form
    8,781.62/13,173.04 = 4,341.62/x
  3. Step 3: Cross multiply
    8,781.62x = 13,173.04 × 4,341.62
  4. Step 4: Simplify right side
    8,781.62x = 57,192,333.92
  5. Step 5: Solve for x
    x = 57,192,333.92/8,781.62
  6. Step 6: Final answer
    x = 6,512.73

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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.