Home / 6,821.70-10,229.40-2,439.24

Finding the Fourth Proportional to 6,821.70, 10,229.40 and 2,439.24

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Solution

The fourth proportional to 6,821.70, 10,229.40 and 2,439.24 is: 3,657.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,821.70 : 10,229.40 = 2,439.24 : x
  2. Step 2: Convert to fraction form
    6,821.70/10,229.40 = 2,439.24/x
  3. Step 3: Cross multiply
    6,821.70x = 10,229.40 × 2,439.24
  4. Step 4: Simplify right side
    6,821.70x = 24,951,961.66
  5. Step 5: Solve for x
    x = 24,951,961.66/6,821.70
  6. Step 6: Final answer
    x = 3,657.73

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1.5x scale

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.