Home / 8,708.67-13,058.96-3,161.79

Finding the Fourth Proportional to 8,708.67, 13,058.96 and 3,161.79

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Solution

The fourth proportional to 8,708.67, 13,058.96 and 3,161.79 is: 4,741.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,708.67 : 13,058.96 = 3,161.79 : x
  2. Step 2: Convert to fraction form
    8,708.67/13,058.96 = 3,161.79/x
  3. Step 3: Cross multiply
    8,708.67x = 13,058.96 × 3,161.79
  4. Step 4: Simplify right side
    8,708.67x = 41,289,673.33
  5. Step 5: Solve for x
    x = 41,289,673.33/8,708.67
  6. Step 6: Final answer
    x = 4,741.21

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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.