Home / 4,078.92-6,105.42-2,782.92

Finding the Fourth Proportional to 4,078.92, 6,105.42 and 2,782.92

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Solution

The fourth proportional to 4,078.92, 6,105.42 and 2,782.92 is: 4,165.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,078.92 : 6,105.42 = 2,782.92 : x
  2. Step 2: Convert to fraction form
    4,078.92/6,105.42 = 2,782.92/x
  3. Step 3: Cross multiply
    4,078.92x = 6,105.42 × 2,782.92
  4. Step 4: Simplify right side
    4,078.92x = 16,990,895.43
  5. Step 5: Solve for x
    x = 16,990,895.43/4,078.92
  6. Step 6: Final answer
    x = 4,165.54

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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.