Home / 4,879.93-6,727.77-3,198.71

Finding the Fourth Proportional to 4,879.93, 6,727.77 and 3,198.71

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Solution

The fourth proportional to 4,879.93, 6,727.77 and 3,198.71 is: 4,409.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,879.93 : 6,727.77 = 3,198.71 : x
  2. Step 2: Convert to fraction form
    4,879.93/6,727.77 = 3,198.71/x
  3. Step 3: Cross multiply
    4,879.93x = 6,727.77 × 3,198.71
  4. Step 4: Simplify right side
    4,879.93x = 21,520,185.18
  5. Step 5: Solve for x
    x = 21,520,185.18/4,879.93
  6. Step 6: Final answer
    x = 4,409.94

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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.