Home / 6,815.97-10,223.66-2,135.88

Finding the Fourth Proportional to 6,815.97, 10,223.66 and 2,135.88

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Solution

The fourth proportional to 6,815.97, 10,223.66 and 2,135.88 is: 3,203.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,815.97 : 10,223.66 = 2,135.88 : x
  2. Step 2: Convert to fraction form
    6,815.97/10,223.66 = 2,135.88/x
  3. Step 3: Cross multiply
    6,815.97x = 10,223.66 × 2,135.88
  4. Step 4: Simplify right side
    6,815.97x = 21,836,471.20
  5. Step 5: Solve for x
    x = 21,836,471.20/6,815.97
  6. Step 6: Final answer
    x = 3,203.72

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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.