Home / 8,912.26-13,365.78-2,672.02

Finding the Fourth Proportional to 8,912.26, 13,365.78 and 2,672.02

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Solution

The fourth proportional to 8,912.26, 13,365.78 and 2,672.02 is: 4,007.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,912.26 : 13,365.78 = 2,672.02 : x
  2. Step 2: Convert to fraction form
    8,912.26/13,365.78 = 2,672.02/x
  3. Step 3: Cross multiply
    8,912.26x = 13,365.78 × 2,672.02
  4. Step 4: Simplify right side
    8,912.26x = 35,713,631.48
  5. Step 5: Solve for x
    x = 35,713,631.48/8,912.26
  6. Step 6: Final answer
    x = 4,007.25

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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.