Home / 5,419.97-8,121.44-3,227.50

Finding the Fourth Proportional to 5,419.97, 8,121.44 and 3,227.50

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Solution

The fourth proportional to 5,419.97, 8,121.44 and 3,227.50 is: 4,836.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,419.97 : 8,121.44 = 3,227.50 : x
  2. Step 2: Convert to fraction form
    5,419.97/8,121.44 = 3,227.50/x
  3. Step 3: Cross multiply
    5,419.97x = 8,121.44 × 3,227.50
  4. Step 4: Simplify right side
    5,419.97x = 26,211,935.37
  5. Step 5: Solve for x
    x = 26,211,935.37/5,419.97
  6. Step 6: Final answer
    x = 4,836.18

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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.