Home / 6,872.76-10,312.37-2,489.04

Finding the Fourth Proportional to 6,872.76, 10,312.37 and 2,489.04

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Solution

The fourth proportional to 6,872.76, 10,312.37 and 2,489.04 is: 3,734.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,872.76 : 10,312.37 = 2,489.04 : x
  2. Step 2: Convert to fraction form
    6,872.76/10,312.37 = 2,489.04/x
  3. Step 3: Cross multiply
    6,872.76x = 10,312.37 × 2,489.04
  4. Step 4: Simplify right side
    6,872.76x = 25,667,901.42
  5. Step 5: Solve for x
    x = 25,667,901.42/6,872.76
  6. Step 6: Final answer
    x = 3,734.73

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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.