Home / 5,028.20-6,938.50-2,789.96

Finding the Fourth Proportional to 5,028.20, 6,938.50 and 2,789.96

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Solution

The fourth proportional to 5,028.20, 6,938.50 and 2,789.96 is: 3,849.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,028.20 : 6,938.50 = 2,789.96 : x
  2. Step 2: Convert to fraction form
    5,028.20/6,938.50 = 2,789.96/x
  3. Step 3: Cross multiply
    5,028.20x = 6,938.50 × 2,789.96
  4. Step 4: Simplify right side
    5,028.20x = 19,358,137.46
  5. Step 5: Solve for x
    x = 19,358,137.46/5,028.20
  6. Step 6: Final answer
    x = 3,849.91

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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.