Home / 8,818.83-12,170.22-5,042.61

Finding the Fourth Proportional to 8,818.83, 12,170.22 and 5,042.61

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Solution

The fourth proportional to 8,818.83, 12,170.22 and 5,042.61 is: 6,958.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,818.83 : 12,170.22 = 5,042.61 : x
  2. Step 2: Convert to fraction form
    8,818.83/12,170.22 = 5,042.61/x
  3. Step 3: Cross multiply
    8,818.83x = 12,170.22 × 5,042.61
  4. Step 4: Simplify right side
    8,818.83x = 61,369,654.16
  5. Step 5: Solve for x
    x = 61,369,654.16/8,818.83
  6. Step 6: Final answer
    x = 6,958.93

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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.