Home / 5,515.93-8,253.24-3,286.61

Finding the Fourth Proportional to 5,515.93, 8,253.24 and 3,286.61

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Solution

The fourth proportional to 5,515.93, 8,253.24 and 3,286.61 is: 4,917.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,515.93 : 8,253.24 = 3,286.61 : x
  2. Step 2: Convert to fraction form
    5,515.93/8,253.24 = 3,286.61/x
  3. Step 3: Cross multiply
    5,515.93x = 8,253.24 × 3,286.61
  4. Step 4: Simplify right side
    5,515.93x = 27,125,181.12
  5. Step 5: Solve for x
    x = 27,125,181.12/5,515.93
  6. Step 6: Final answer
    x = 4,917.61

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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.