Home / 5,255.30-7,252.83-3,926.70

Finding the Fourth Proportional to 5,255.30, 7,252.83 and 3,926.70

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Solution

The fourth proportional to 5,255.30, 7,252.83 and 3,926.70 is: 5,419.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,255.30 : 7,252.83 = 3,926.70 : x
  2. Step 2: Convert to fraction form
    5,255.30/7,252.83 = 3,926.70/x
  3. Step 3: Cross multiply
    5,255.30x = 7,252.83 × 3,926.70
  4. Step 4: Simplify right side
    5,255.30x = 28,479,687.56
  5. Step 5: Solve for x
    x = 28,479,687.56/5,255.30
  6. Step 6: Final answer
    x = 5,419.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.