Home / 5,414.22-8,122.62-1,518.54

Finding the Fourth Proportional to 5,414.22, 8,122.62 and 1,518.54

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Solution

The fourth proportional to 5,414.22, 8,122.62 and 1,518.54 is: 2,278.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,414.22 : 8,122.62 = 1,518.54 : x
  2. Step 2: Convert to fraction form
    5,414.22/8,122.62 = 1,518.54/x
  3. Step 3: Cross multiply
    5,414.22x = 8,122.62 × 1,518.54
  4. Step 4: Simplify right side
    5,414.22x = 12,334,523.37
  5. Step 5: Solve for x
    x = 12,334,523.37/5,414.22
  6. Step 6: Final answer
    x = 2,278.17

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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.