Home / 5,391.87-8,072.55-3,633.39

Finding the Fourth Proportional to 5,391.87, 8,072.55 and 3,633.39

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Solution

The fourth proportional to 5,391.87, 8,072.55 and 3,633.39 is: 5,439.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,391.87 : 8,072.55 = 3,633.39 : x
  2. Step 2: Convert to fraction form
    5,391.87/8,072.55 = 3,633.39/x
  3. Step 3: Cross multiply
    5,391.87x = 8,072.55 × 3,633.39
  4. Step 4: Simplify right side
    5,391.87x = 29,330,722.44
  5. Step 5: Solve for x
    x = 29,330,722.44/5,391.87
  6. Step 6: Final answer
    x = 5,439.81

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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.