Home / 5,028.54-6,938.83-2,789.97

Finding the Fourth Proportional to 5,028.54, 6,938.83 and 2,789.97

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Solution

The fourth proportional to 5,028.54, 6,938.83 and 2,789.97 is: 3,849.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,028.54 : 6,938.83 = 2,789.97 : x
  2. Step 2: Convert to fraction form
    5,028.54/6,938.83 = 2,789.97/x
  3. Step 3: Cross multiply
    5,028.54x = 6,938.83 × 2,789.97
  4. Step 4: Simplify right side
    5,028.54x = 19,359,127.54
  5. Step 5: Solve for x
    x = 19,359,127.54/5,028.54
  6. Step 6: Final answer
    x = 3,849.85

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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.