Home / 6,198.80-8,550.60-4,103.60

Finding the Fourth Proportional to 6,198.80, 8,550.60 and 4,103.60

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Solution

The fourth proportional to 6,198.80, 8,550.60 and 4,103.60 is: 5,660.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,198.80 : 8,550.60 = 4,103.60 : x
  2. Step 2: Convert to fraction form
    6,198.80/8,550.60 = 4,103.60/x
  3. Step 3: Cross multiply
    6,198.80x = 8,550.60 × 4,103.60
  4. Step 4: Simplify right side
    6,198.80x = 35,088,242.16
  5. Step 5: Solve for x
    x = 35,088,242.16/6,198.80
  6. Step 6: Final answer
    x = 5,660.49

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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.