Home / 5,230.56-7,217.76-2,872.83

Finding the Fourth Proportional to 5,230.56, 7,217.76 and 2,872.83

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Solution

The fourth proportional to 5,230.56, 7,217.76 and 2,872.83 is: 3,964.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,230.56 : 7,217.76 = 2,872.83 : x
  2. Step 2: Convert to fraction form
    5,230.56/7,217.76 = 2,872.83/x
  3. Step 3: Cross multiply
    5,230.56x = 7,217.76 × 2,872.83
  4. Step 4: Simplify right side
    5,230.56x = 20,735,397.46
  5. Step 5: Solve for x
    x = 20,735,397.46/5,230.56
  6. Step 6: Final answer
    x = 3,964.28

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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.