Home / 5,243.97-7,230.68-3,915.44

Finding the Fourth Proportional to 5,243.97, 7,230.68 and 3,915.44

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Solution

The fourth proportional to 5,243.97, 7,230.68 and 3,915.44 is: 5,398.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,243.97 : 7,230.68 = 3,915.44 : x
  2. Step 2: Convert to fraction form
    5,243.97/7,230.68 = 3,915.44/x
  3. Step 3: Cross multiply
    5,243.97x = 7,230.68 × 3,915.44
  4. Step 4: Simplify right side
    5,243.97x = 28,311,301.79
  5. Step 5: Solve for x
    x = 28,311,301.79/5,243.97
  6. Step 6: Final answer
    x = 5,398.83

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1.5x scale

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.