Home / 4,439.88-6,660.78-2,798.60

Finding the Fourth Proportional to 4,439.88, 6,660.78 and 2,798.60

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Solution

The fourth proportional to 4,439.88, 6,660.78 and 2,798.60 is: 4,198.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,439.88 : 6,660.78 = 2,798.60 : x
  2. Step 2: Convert to fraction form
    4,439.88/6,660.78 = 2,798.60/x
  3. Step 3: Cross multiply
    4,439.88x = 6,660.78 × 2,798.60
  4. Step 4: Simplify right side
    4,439.88x = 18,640,858.91
  5. Step 5: Solve for x
    x = 18,640,858.91/4,439.88
  6. Step 6: Final answer
    x = 4,198.51

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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.