Home / 5,176.92-7,139.96-3,183.92

Finding the Fourth Proportional to 5,176.92, 7,139.96 and 3,183.92

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Solution

The fourth proportional to 5,176.92, 7,139.96 and 3,183.92 is: 4,391.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,176.92 : 7,139.96 = 3,183.92 : x
  2. Step 2: Convert to fraction form
    5,176.92/7,139.96 = 3,183.92/x
  3. Step 3: Cross multiply
    5,176.92x = 7,139.96 × 3,183.92
  4. Step 4: Simplify right side
    5,176.92x = 22,733,061.44
  5. Step 5: Solve for x
    x = 22,733,061.44/5,176.92
  6. Step 6: Final answer
    x = 4,391.23

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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.