Home / 8,286.91-12,428.41-2,363.66

Finding the Fourth Proportional to 8,286.91, 12,428.41 and 2,363.66

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Solution

The fourth proportional to 8,286.91, 12,428.41 and 2,363.66 is: 3,544.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,286.91 : 12,428.41 = 2,363.66 : x
  2. Step 2: Convert to fraction form
    8,286.91/12,428.41 = 2,363.66/x
  3. Step 3: Cross multiply
    8,286.91x = 12,428.41 × 2,363.66
  4. Step 4: Simplify right side
    8,286.91x = 29,376,490.26
  5. Step 5: Solve for x
    x = 29,376,490.26/8,286.91
  6. Step 6: Final answer
    x = 3,544.93

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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.