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Finding the Fourth Proportional to 8,778.26, 13,159.92 and 3,844.22

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Solution

The fourth proportional to 8,778.26, 13,159.92 and 3,844.22 is: 5,763.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,778.26 : 13,159.92 = 3,844.22 : x
  2. Step 2: Convert to fraction form
    8,778.26/13,159.92 = 3,844.22/x
  3. Step 3: Cross multiply
    8,778.26x = 13,159.92 × 3,844.22
  4. Step 4: Simplify right side
    8,778.26x = 50,589,627.66
  5. Step 5: Solve for x
    x = 50,589,627.66/8,778.26
  6. Step 6: Final answer
    x = 5,763.06

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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.