Home / 8,805.31-13,207.96-2,231.48

Finding the Fourth Proportional to 8,805.31, 13,207.96 and 2,231.48

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Solution

The fourth proportional to 8,805.31, 13,207.96 and 2,231.48 is: 3,347.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,805.31 : 13,207.96 = 2,231.48 : x
  2. Step 2: Convert to fraction form
    8,805.31/13,207.96 = 2,231.48/x
  3. Step 3: Cross multiply
    8,805.31x = 13,207.96 × 2,231.48
  4. Step 4: Simplify right side
    8,805.31x = 29,473,334.39
  5. Step 5: Solve for x
    x = 29,473,334.39/8,805.31
  6. Step 6: Final answer
    x = 3,347.22

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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.