Home / 4,919.41-7,379.17-3,938.46

Finding the Fourth Proportional to 4,919.41, 7,379.17 and 3,938.46

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Solution

The fourth proportional to 4,919.41, 7,379.17 and 3,938.46 is: 5,907.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,919.41 : 7,379.17 = 3,938.46 : x
  2. Step 2: Convert to fraction form
    4,919.41/7,379.17 = 3,938.46/x
  3. Step 3: Cross multiply
    4,919.41x = 7,379.17 × 3,938.46
  4. Step 4: Simplify right side
    4,919.41x = 29,062,565.88
  5. Step 5: Solve for x
    x = 29,062,565.88/4,919.41
  6. Step 6: Final answer
    x = 5,907.73

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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.