Home / 8,286.18-12,426.14-2,737.86

Finding the Fourth Proportional to 8,286.18, 12,426.14 and 2,737.86

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Solution

The fourth proportional to 8,286.18, 12,426.14 and 2,737.86 is: 4,105.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,286.18 : 12,426.14 = 2,737.86 : x
  2. Step 2: Convert to fraction form
    8,286.18/12,426.14 = 2,737.86/x
  3. Step 3: Cross multiply
    8,286.18x = 12,426.14 × 2,737.86
  4. Step 4: Simplify right side
    8,286.18x = 34,021,031.66
  5. Step 5: Solve for x
    x = 34,021,031.66/8,286.18
  6. Step 6: Final answer
    x = 4,105.76

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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.