Home / 8,166.29-12,245.76-2,321.51

Finding the Fourth Proportional to 8,166.29, 12,245.76 and 2,321.51

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Solution

The fourth proportional to 8,166.29, 12,245.76 and 2,321.51 is: 3,481.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,166.29 : 12,245.76 = 2,321.51 : x
  2. Step 2: Convert to fraction form
    8,166.29/12,245.76 = 2,321.51/x
  3. Step 3: Cross multiply
    8,166.29x = 12,245.76 × 2,321.51
  4. Step 4: Simplify right side
    8,166.29x = 28,428,593.07
  5. Step 5: Solve for x
    x = 28,428,593.07/8,166.29
  6. Step 6: Final answer
    x = 3,481.21

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1.5x scale

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.