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Finding the Fourth Proportional to 8,821.93, 12,179.93 and 5,841.78

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Solution

The fourth proportional to 8,821.93, 12,179.93 and 5,841.78 is: 8,065.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,821.93 : 12,179.93 = 5,841.78 : x
  2. Step 2: Convert to fraction form
    8,821.93/12,179.93 = 5,841.78/x
  3. Step 3: Cross multiply
    8,821.93x = 12,179.93 × 5,841.78
  4. Step 4: Simplify right side
    8,821.93x = 71,152,471.48
  5. Step 5: Solve for x
    x = 71,152,471.48/8,821.93
  6. Step 6: Final answer
    x = 8,065.41

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1.5x scale

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.