Home / 5,028.38-6,938.39-2,874.89

Finding the Fourth Proportional to 5,028.38, 6,938.39 and 2,874.89

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Solution

The fourth proportional to 5,028.38, 6,938.39 and 2,874.89 is: 3,966.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,028.38 : 6,938.39 = 2,874.89 : x
  2. Step 2: Convert to fraction form
    5,028.38/6,938.39 = 2,874.89/x
  3. Step 3: Cross multiply
    5,028.38x = 6,938.39 × 2,874.89
  4. Step 4: Simplify right side
    5,028.38x = 19,947,058.96
  5. Step 5: Solve for x
    x = 19,947,058.96/5,028.38
  6. Step 6: Final answer
    x = 3,966.90

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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.