Home / 4,446.39-6,138.18-2,956.80

Finding the Fourth Proportional to 4,446.39, 6,138.18 and 2,956.80

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Solution

The fourth proportional to 4,446.39, 6,138.18 and 2,956.80 is: 4,081.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,446.39 : 6,138.18 = 2,956.80 : x
  2. Step 2: Convert to fraction form
    4,446.39/6,138.18 = 2,956.80/x
  3. Step 3: Cross multiply
    4,446.39x = 6,138.18 × 2,956.80
  4. Step 4: Simplify right side
    4,446.39x = 18,149,370.62
  5. Step 5: Solve for x
    x = 18,149,370.62/4,446.39
  6. Step 6: Final answer
    x = 4,081.82

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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.