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Finding the Fourth Proportional to 8,844.78, 13,256.22 and 7,751.28

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Solution

The fourth proportional to 8,844.78, 13,256.22 and 7,751.28 is: 11,617.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,844.78 : 13,256.22 = 7,751.28 : x
  2. Step 2: Convert to fraction form
    8,844.78/13,256.22 = 7,751.28/x
  3. Step 3: Cross multiply
    8,844.78x = 13,256.22 × 7,751.28
  4. Step 4: Simplify right side
    8,844.78x = 102,752,672.96
  5. Step 5: Solve for x
    x = 102,752,672.96/8,844.78
  6. Step 6: Final answer
    x = 11,617.32

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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.