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Finding the Fourth Proportional to 8,062, 11,119.88 and 7,791.04

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Solution

The fourth proportional to 8,062, 11,119.88 and 7,791.04 is: 10,746.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,062 : 11,119.88 = 7,791.04 : x
  2. Step 2: Convert to fraction form
    8,062/11,119.88 = 7,791.04/x
  3. Step 3: Cross multiply
    8,062x = 11,119.88 × 7,791.04
  4. Step 4: Simplify right side
    8,062x = 86,635,429.88
  5. Step 5: Solve for x
    x = 86,635,429.88/8,062
  6. Step 6: Final answer
    x = 10,746.15

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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.