Home / 8,912.38-13,370.10-3,067.60

Finding the Fourth Proportional to 8,912.38, 13,370.10 and 3,067.60

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Solution

The fourth proportional to 8,912.38, 13,370.10 and 3,067.60 is: 4,601.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,912.38 : 13,370.10 = 3,067.60 : x
  2. Step 2: Convert to fraction form
    8,912.38/13,370.10 = 3,067.60/x
  3. Step 3: Cross multiply
    8,912.38x = 13,370.10 × 3,067.60
  4. Step 4: Simplify right side
    8,912.38x = 41,014,118.76
  5. Step 5: Solve for x
    x = 41,014,118.76/8,912.38
  6. Step 6: Final answer
    x = 4,601.93

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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.