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Finding the Fourth Proportional to 8,067.93, 11,133.78 and 4,531.08

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Solution

The fourth proportional to 8,067.93, 11,133.78 and 4,531.08 is: 6,252.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,067.93 : 11,133.78 = 4,531.08 : x
  2. Step 2: Convert to fraction form
    8,067.93/11,133.78 = 4,531.08/x
  3. Step 3: Cross multiply
    8,067.93x = 11,133.78 × 4,531.08
  4. Step 4: Simplify right side
    8,067.93x = 50,448,047.88
  5. Step 5: Solve for x
    x = 50,448,047.88/8,067.93
  6. Step 6: Final answer
    x = 6,252.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.