Home / 6,381.87-9,573.23-2,680.39

Finding the Fourth Proportional to 6,381.87, 9,573.23 and 2,680.39

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Solution

The fourth proportional to 6,381.87, 9,573.23 and 2,680.39 is: 4,020.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,381.87 : 9,573.23 = 2,680.39 : x
  2. Step 2: Convert to fraction form
    6,381.87/9,573.23 = 2,680.39/x
  3. Step 3: Cross multiply
    6,381.87x = 9,573.23 × 2,680.39
  4. Step 4: Simplify right side
    6,381.87x = 25,659,989.96
  5. Step 5: Solve for x
    x = 25,659,989.96/6,381.87
  6. Step 6: Final answer
    x = 4,020.76

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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.