Home / 5,474.27-8,212.62-1,578.38

Finding the Fourth Proportional to 5,474.27, 8,212.62 and 1,578.38

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Solution

The fourth proportional to 5,474.27, 8,212.62 and 1,578.38 is: 2,367.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,474.27 : 8,212.62 = 1,578.38 : x
  2. Step 2: Convert to fraction form
    5,474.27/8,212.62 = 1,578.38/x
  3. Step 3: Cross multiply
    5,474.27x = 8,212.62 × 1,578.38
  4. Step 4: Simplify right side
    5,474.27x = 12,962,600.01
  5. Step 5: Solve for x
    x = 12,962,600.01/5,474.27
  6. Step 6: Final answer
    x = 2,367.91

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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.