Home / 8,486.28-12,732.66-3,292.56

Finding the Fourth Proportional to 8,486.28, 12,732.66 and 3,292.56

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Solution

The fourth proportional to 8,486.28, 12,732.66 and 3,292.56 is: 4,940.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,486.28 : 12,732.66 = 3,292.56 : x
  2. Step 2: Convert to fraction form
    8,486.28/12,732.66 = 3,292.56/x
  3. Step 3: Cross multiply
    8,486.28x = 12,732.66 × 3,292.56
  4. Step 4: Simplify right side
    8,486.28x = 41,923,047.01
  5. Step 5: Solve for x
    x = 41,923,047.01/8,486.28
  6. Step 6: Final answer
    x = 4,940.10

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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.