Home / 5,180.92-7,769.76-2,256.28

Finding the Fourth Proportional to 5,180.92, 7,769.76 and 2,256.28

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Solution

The fourth proportional to 5,180.92, 7,769.76 and 2,256.28 is: 3,383.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,180.92 : 7,769.76 = 2,256.28 : x
  2. Step 2: Convert to fraction form
    5,180.92/7,769.76 = 2,256.28/x
  3. Step 3: Cross multiply
    5,180.92x = 7,769.76 × 2,256.28
  4. Step 4: Simplify right side
    5,180.92x = 17,530,754.09
  5. Step 5: Solve for x
    x = 17,530,754.09/5,180.92
  6. Step 6: Final answer
    x = 3,383.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.