Home / 8,286.79-12,429.94-2,046.86

Finding the Fourth Proportional to 8,286.79, 12,429.94 and 2,046.86

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Solution

The fourth proportional to 8,286.79, 12,429.94 and 2,046.86 is: 3,070.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,286.79 : 12,429.94 = 2,046.86 : x
  2. Step 2: Convert to fraction form
    8,286.79/12,429.94 = 2,046.86/x
  3. Step 3: Cross multiply
    8,286.79x = 12,429.94 × 2,046.86
  4. Step 4: Simplify right side
    8,286.79x = 25,442,346.99
  5. Step 5: Solve for x
    x = 25,442,346.99/8,286.79
  6. Step 6: Final answer
    x = 3,070.23

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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.