Home / 5,216.82-7,199.19-2,826.85

Finding the Fourth Proportional to 5,216.82, 7,199.19 and 2,826.85

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Solution

The fourth proportional to 5,216.82, 7,199.19 and 2,826.85 is: 3,901.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,216.82 : 7,199.19 = 2,826.85 : x
  2. Step 2: Convert to fraction form
    5,216.82/7,199.19 = 2,826.85/x
  3. Step 3: Cross multiply
    5,216.82x = 7,199.19 × 2,826.85
  4. Step 4: Simplify right side
    5,216.82x = 20,351,049.85
  5. Step 5: Solve for x
    x = 20,351,049.85/5,216.82
  6. Step 6: Final answer
    x = 3,901.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.