Home / 8,704.05-13,054.83-2,781.61

Finding the Fourth Proportional to 8,704.05, 13,054.83 and 2,781.61

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Solution

The fourth proportional to 8,704.05, 13,054.83 and 2,781.61 is: 4,172.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,704.05 : 13,054.83 = 2,781.61 : x
  2. Step 2: Convert to fraction form
    8,704.05/13,054.83 = 2,781.61/x
  3. Step 3: Cross multiply
    8,704.05x = 13,054.83 × 2,781.61
  4. Step 4: Simplify right side
    8,704.05x = 36,313,445.68
  5. Step 5: Solve for x
    x = 36,313,445.68/8,704.05
  6. Step 6: Final answer
    x = 4,172.02

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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.