Home / 5,230.23-7,217.28-2,872.29

Finding the Fourth Proportional to 5,230.23, 7,217.28 and 2,872.29

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Solution

The fourth proportional to 5,230.23, 7,217.28 and 2,872.29 is: 3,963.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,230.23 : 7,217.28 = 2,872.29 : x
  2. Step 2: Convert to fraction form
    5,230.23/7,217.28 = 2,872.29/x
  3. Step 3: Cross multiply
    5,230.23x = 7,217.28 × 2,872.29
  4. Step 4: Simplify right side
    5,230.23x = 20,730,121.17
  5. Step 5: Solve for x
    x = 20,730,121.17/5,230.23
  6. Step 6: Final answer
    x = 3,963.52

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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.