Home / 8,965.23-13,447.89-2,725.31

Finding the Fourth Proportional to 8,965.23, 13,447.89 and 2,725.31

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Solution

The fourth proportional to 8,965.23, 13,447.89 and 2,725.31 is: 4,087.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,965.23 : 13,447.89 = 2,725.31 : x
  2. Step 2: Convert to fraction form
    8,965.23/13,447.89 = 2,725.31/x
  3. Step 3: Cross multiply
    8,965.23x = 13,447.89 × 2,725.31
  4. Step 4: Simplify right side
    8,965.23x = 36,649,601.86
  5. Step 5: Solve for x
    x = 36,649,601.86/8,965.23
  6. Step 6: Final answer
    x = 4,087.97

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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.