Home / 5,578.92-8,367.64-1,418.56

Finding the Fourth Proportional to 5,578.92, 8,367.64 and 1,418.56

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Solution

The fourth proportional to 5,578.92, 8,367.64 and 1,418.56 is: 2,127.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,578.92 : 8,367.64 = 1,418.56 : x
  2. Step 2: Convert to fraction form
    5,578.92/8,367.64 = 1,418.56/x
  3. Step 3: Cross multiply
    5,578.92x = 8,367.64 × 1,418.56
  4. Step 4: Simplify right side
    5,578.92x = 11,869,974.93
  5. Step 5: Solve for x
    x = 11,869,974.93/5,578.92
  6. Step 6: Final answer
    x = 2,127.65

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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.