Home / 8,694.98-13,042.46-2,121.22

Finding the Fourth Proportional to 8,694.98, 13,042.46 and 2,121.22

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Solution

The fourth proportional to 8,694.98, 13,042.46 and 2,121.22 is: 3,181.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,694.98 : 13,042.46 = 2,121.22 : x
  2. Step 2: Convert to fraction form
    8,694.98/13,042.46 = 2,121.22/x
  3. Step 3: Cross multiply
    8,694.98x = 13,042.46 × 2,121.22
  4. Step 4: Simplify right side
    8,694.98x = 27,665,927.00
  5. Step 5: Solve for x
    x = 27,665,927.00/8,694.98
  6. Step 6: Final answer
    x = 3,181.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.