Home / 4,439.92-6,660.60-2,131.42

Finding the Fourth Proportional to 4,439.92, 6,660.60 and 2,131.42

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Solution

The fourth proportional to 4,439.92, 6,660.60 and 2,131.42 is: 3,197.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,439.92 : 6,660.60 = 2,131.42 : x
  2. Step 2: Convert to fraction form
    4,439.92/6,660.60 = 2,131.42/x
  3. Step 3: Cross multiply
    4,439.92x = 6,660.60 × 2,131.42
  4. Step 4: Simplify right side
    4,439.92x = 14,196,536.05
  5. Step 5: Solve for x
    x = 14,196,536.05/4,439.92
  6. Step 6: Final answer
    x = 3,197.48

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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.