Home / 3,867.27-5,334.44-3,394.80

Finding the Fourth Proportional to 3,867.27, 5,334.44 and 3,394.80

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Solution

The fourth proportional to 3,867.27, 5,334.44 and 3,394.80 is: 4,682.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,867.27 : 5,334.44 = 3,394.80 : x
  2. Step 2: Convert to fraction form
    3,867.27/5,334.44 = 3,394.80/x
  3. Step 3: Cross multiply
    3,867.27x = 5,334.44 × 3,394.80
  4. Step 4: Simplify right side
    3,867.27x = 18,109,339.94
  5. Step 5: Solve for x
    x = 18,109,339.94/3,867.27
  6. Step 6: Final answer
    x = 4,682.72

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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.