Home / 9,161.31-13,740.85-3,898.44

Finding the Fourth Proportional to 9,161.31, 13,740.85 and 3,898.44

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Solution

The fourth proportional to 9,161.31, 13,740.85 and 3,898.44 is: 5,847.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,161.31 : 13,740.85 = 3,898.44 : x
  2. Step 2: Convert to fraction form
    9,161.31/13,740.85 = 3,898.44/x
  3. Step 3: Cross multiply
    9,161.31x = 13,740.85 × 3,898.44
  4. Step 4: Simplify right side
    9,161.31x = 53,567,791.08
  5. Step 5: Solve for x
    x = 53,567,791.08/9,161.31
  6. Step 6: Final answer
    x = 5,847.18

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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.