Home / 5,230.27-7,217.71-2,872.26

Finding the Fourth Proportional to 5,230.27, 7,217.71 and 2,872.26

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Solution

The fourth proportional to 5,230.27, 7,217.71 and 2,872.26 is: 3,963.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,230.27 : 7,217.71 = 2,872.26 : x
  2. Step 2: Convert to fraction form
    5,230.27/7,217.71 = 2,872.26/x
  3. Step 3: Cross multiply
    5,230.27x = 7,217.71 × 2,872.26
  4. Step 4: Simplify right side
    5,230.27x = 20,731,132.54
  5. Step 5: Solve for x
    x = 20,731,132.54/5,230.27
  6. Step 6: Final answer
    x = 3,963.68

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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.