Home / 6,747.55-10,121.39-2,586.57

Finding the Fourth Proportional to 6,747.55, 10,121.39 and 2,586.57

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Solution

The fourth proportional to 6,747.55, 10,121.39 and 2,586.57 is: 3,879.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,747.55 : 10,121.39 = 2,586.57 : x
  2. Step 2: Convert to fraction form
    6,747.55/10,121.39 = 2,586.57/x
  3. Step 3: Cross multiply
    6,747.55x = 10,121.39 × 2,586.57
  4. Step 4: Simplify right side
    6,747.55x = 26,179,683.73
  5. Step 5: Solve for x
    x = 26,179,683.73/6,747.55
  6. Step 6: Final answer
    x = 3,879.88

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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.