Home / 4,423.92-6,637.39-2,778.54

Finding the Fourth Proportional to 4,423.92, 6,637.39 and 2,778.54

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Solution

The fourth proportional to 4,423.92, 6,637.39 and 2,778.54 is: 4,168.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,423.92 : 6,637.39 = 2,778.54 : x
  2. Step 2: Convert to fraction form
    4,423.92/6,637.39 = 2,778.54/x
  3. Step 3: Cross multiply
    4,423.92x = 6,637.39 × 2,778.54
  4. Step 4: Simplify right side
    4,423.92x = 18,442,246.66
  5. Step 5: Solve for x
    x = 18,442,246.66/4,423.92
  6. Step 6: Final answer
    x = 4,168.76

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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.