Home / 8,912.31-13,367.85-3,073.02

Finding the Fourth Proportional to 8,912.31, 13,367.85 and 3,073.02

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Solution

The fourth proportional to 8,912.31, 13,367.85 and 3,073.02 is: 4,609.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,912.31 : 13,367.85 = 3,073.02 : x
  2. Step 2: Convert to fraction form
    8,912.31/13,367.85 = 3,073.02/x
  3. Step 3: Cross multiply
    8,912.31x = 13,367.85 × 3,073.02
  4. Step 4: Simplify right side
    8,912.31x = 41,079,670.41
  5. Step 5: Solve for x
    x = 41,079,670.41/8,912.31
  6. Step 6: Final answer
    x = 4,609.32

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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.