Home / 5,414.20-8,121.06-3,826.44

Finding the Fourth Proportional to 5,414.20, 8,121.06 and 3,826.44

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Solution

The fourth proportional to 5,414.20, 8,121.06 and 3,826.44 is: 5,739.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,414.20 : 8,121.06 = 3,826.44 : x
  2. Step 2: Convert to fraction form
    5,414.20/8,121.06 = 3,826.44/x
  3. Step 3: Cross multiply
    5,414.20x = 8,121.06 × 3,826.44
  4. Step 4: Simplify right side
    5,414.20x = 31,074,748.83
  5. Step 5: Solve for x
    x = 31,074,748.83/5,414.20
  6. Step 6: Final answer
    x = 5,739.49

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1.5x scale

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.