Home / 5,111.92-7,660.44-2,769.94

Finding the Fourth Proportional to 5,111.92, 7,660.44 and 2,769.94

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Solution

The fourth proportional to 5,111.92, 7,660.44 and 2,769.94 is: 4,150.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,111.92 : 7,660.44 = 2,769.94 : x
  2. Step 2: Convert to fraction form
    5,111.92/7,660.44 = 2,769.94/x
  3. Step 3: Cross multiply
    5,111.92x = 7,660.44 × 2,769.94
  4. Step 4: Simplify right side
    5,111.92x = 21,218,959.17
  5. Step 5: Solve for x
    x = 21,218,959.17/5,111.92
  6. Step 6: Final answer
    x = 4,150.88

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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.