Home / 5,414.92-8,121.48-1,518.52

Finding the Fourth Proportional to 5,414.92, 8,121.48 and 1,518.52

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Solution

The fourth proportional to 5,414.92, 8,121.48 and 1,518.52 is: 2,277.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,414.92 : 8,121.48 = 1,518.52 : x
  2. Step 2: Convert to fraction form
    5,414.92/8,121.48 = 1,518.52/x
  3. Step 3: Cross multiply
    5,414.92x = 8,121.48 × 1,518.52
  4. Step 4: Simplify right side
    5,414.92x = 12,332,629.81
  5. Step 5: Solve for x
    x = 12,332,629.81/5,414.92
  6. Step 6: Final answer
    x = 2,277.53

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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.