Home / 6,868.20-10,305.30-2,711.24

Finding the Fourth Proportional to 6,868.20, 10,305.30 and 2,711.24

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Solution

The fourth proportional to 6,868.20, 10,305.30 and 2,711.24 is: 4,068.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,868.20 : 10,305.30 = 2,711.24 : x
  2. Step 2: Convert to fraction form
    6,868.20/10,305.30 = 2,711.24/x
  3. Step 3: Cross multiply
    6,868.20x = 10,305.30 × 2,711.24
  4. Step 4: Simplify right side
    6,868.20x = 27,940,141.57
  5. Step 5: Solve for x
    x = 27,940,141.57/6,868.20
  6. Step 6: Final answer
    x = 4,068.04

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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.