Home / 4,227.40-6,365.23-3,968.20

Finding the Fourth Proportional to 4,227.40, 6,365.23 and 3,968.20

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Solution

The fourth proportional to 4,227.40, 6,365.23 and 3,968.20 is: 5,974.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,227.40 : 6,365.23 = 3,968.20 : x
  2. Step 2: Convert to fraction form
    4,227.40/6,365.23 = 3,968.20/x
  3. Step 3: Cross multiply
    4,227.40x = 6,365.23 × 3,968.20
  4. Step 4: Simplify right side
    4,227.40x = 25,258,505.69
  5. Step 5: Solve for x
    x = 25,258,505.69/4,227.40
  6. Step 6: Final answer
    x = 5,974.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.