Home / 8,286.27-12,432.48-3,846.09

Finding the Fourth Proportional to 8,286.27, 12,432.48 and 3,846.09

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Solution

The fourth proportional to 8,286.27, 12,432.48 and 3,846.09 is: 5,770.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,286.27 : 12,432.48 = 3,846.09 : x
  2. Step 2: Convert to fraction form
    8,286.27/12,432.48 = 3,846.09/x
  3. Step 3: Cross multiply
    8,286.27x = 12,432.48 × 3,846.09
  4. Step 4: Simplify right side
    8,286.27x = 47,816,437.00
  5. Step 5: Solve for x
    x = 47,816,437.00/8,286.27
  6. Step 6: Final answer
    x = 5,770.56

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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.