Home / 5,216.20-7,194.64-3,227.70

Finding the Fourth Proportional to 5,216.20, 7,194.64 and 3,227.70

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Solution

The fourth proportional to 5,216.20, 7,194.64 and 3,227.70 is: 4,451.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,216.20 : 7,194.64 = 3,227.70 : x
  2. Step 2: Convert to fraction form
    5,216.20/7,194.64 = 3,227.70/x
  3. Step 3: Cross multiply
    5,216.20x = 7,194.64 × 3,227.70
  4. Step 4: Simplify right side
    5,216.20x = 23,222,139.53
  5. Step 5: Solve for x
    x = 23,222,139.53/5,216.20
  6. Step 6: Final answer
    x = 4,451.93

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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.