Home / 5,919.94-8,171.85-3,903.04

Finding the Fourth Proportional to 5,919.94, 8,171.85 and 3,903.04

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Solution

The fourth proportional to 5,919.94, 8,171.85 and 3,903.04 is: 5,387.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,919.94 : 8,171.85 = 3,903.04 : x
  2. Step 2: Convert to fraction form
    5,919.94/8,171.85 = 3,903.04/x
  3. Step 3: Cross multiply
    5,919.94x = 8,171.85 × 3,903.04
  4. Step 4: Simplify right side
    5,919.94x = 31,895,057.42
  5. Step 5: Solve for x
    x = 31,895,057.42/5,919.94
  6. Step 6: Final answer
    x = 5,387.73

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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.