Home / 5,369.22-8,049.78-3,286.98

Finding the Fourth Proportional to 5,369.22, 8,049.78 and 3,286.98

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Solution

The fourth proportional to 5,369.22, 8,049.78 and 3,286.98 is: 4,927.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,369.22 : 8,049.78 = 3,286.98 : x
  2. Step 2: Convert to fraction form
    5,369.22/8,049.78 = 3,286.98/x
  3. Step 3: Cross multiply
    5,369.22x = 8,049.78 × 3,286.98
  4. Step 4: Simplify right side
    5,369.22x = 26,459,465.86
  5. Step 5: Solve for x
    x = 26,459,465.86/5,369.22
  6. Step 6: Final answer
    x = 4,927.99

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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.