Home / 5,518.39-7,616.92-3,394.27

Finding the Fourth Proportional to 5,518.39, 7,616.92 and 3,394.27

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Solution

The fourth proportional to 5,518.39, 7,616.92 and 3,394.27 is: 4,685.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,518.39 : 7,616.92 = 3,394.27 : x
  2. Step 2: Convert to fraction form
    5,518.39/7,616.92 = 3,394.27/x
  3. Step 3: Cross multiply
    5,518.39x = 7,616.92 × 3,394.27
  4. Step 4: Simplify right side
    5,518.39x = 25,853,883.05
  5. Step 5: Solve for x
    x = 25,853,883.05/5,518.39
  6. Step 6: Final answer
    x = 4,685.04

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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.