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Finding the Fourth Proportional to 8,858, 12,222.97 and 5,080.97

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Solution

The fourth proportional to 8,858, 12,222.97 and 5,080.97 is: 7,011.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,858 : 12,222.97 = 5,080.97 : x
  2. Step 2: Convert to fraction form
    8,858/12,222.97 = 5,080.97/x
  3. Step 3: Cross multiply
    8,858x = 12,222.97 × 5,080.97
  4. Step 4: Simplify right side
    8,858x = 62,104,543.88
  5. Step 5: Solve for x
    x = 62,104,543.88/8,858
  6. Step 6: Final answer
    x = 7,011.12

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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.