Home / 8,186.02-12,279.81-3,254.56

Finding the Fourth Proportional to 8,186.02, 12,279.81 and 3,254.56

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Solution

The fourth proportional to 8,186.02, 12,279.81 and 3,254.56 is: 4,882.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,186.02 : 12,279.81 = 3,254.56 : x
  2. Step 2: Convert to fraction form
    8,186.02/12,279.81 = 3,254.56/x
  3. Step 3: Cross multiply
    8,186.02x = 12,279.81 × 3,254.56
  4. Step 4: Simplify right side
    8,186.02x = 39,965,378.43
  5. Step 5: Solve for x
    x = 39,965,378.43/8,186.02
  6. Step 6: Final answer
    x = 4,882.15

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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.