Home / 6,223.80-8,585.82-3,983.88

Finding the Fourth Proportional to 6,223.80, 8,585.82 and 3,983.88

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Solution

The fourth proportional to 6,223.80, 8,585.82 and 3,983.88 is: 5,495.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,223.80 : 8,585.82 = 3,983.88 : x
  2. Step 2: Convert to fraction form
    6,223.80/8,585.82 = 3,983.88/x
  3. Step 3: Cross multiply
    6,223.80x = 8,585.82 × 3,983.88
  4. Step 4: Simplify right side
    6,223.80x = 34,204,876.58
  5. Step 5: Solve for x
    x = 34,204,876.58/6,223.80
  6. Step 6: Final answer
    x = 5,495.82

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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.