Home / 4,377.82-6,539.72-3,938.38

Finding the Fourth Proportional to 4,377.82, 6,539.72 and 3,938.38

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Solution

The fourth proportional to 4,377.82, 6,539.72 and 3,938.38 is: 5,883.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,377.82 : 6,539.72 = 3,938.38 : x
  2. Step 2: Convert to fraction form
    4,377.82/6,539.72 = 3,938.38/x
  3. Step 3: Cross multiply
    4,377.82x = 6,539.72 × 3,938.38
  4. Step 4: Simplify right side
    4,377.82x = 25,755,902.45
  5. Step 5: Solve for x
    x = 25,755,902.45/4,377.82
  6. Step 6: Final answer
    x = 5,883.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.