Home / 4,986.75-6,880.91-3,195.82

Finding the Fourth Proportional to 4,986.75, 6,880.91 and 3,195.82

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Solution

The fourth proportional to 4,986.75, 6,880.91 and 3,195.82 is: 4,409.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,986.75 : 6,880.91 = 3,195.82 : x
  2. Step 2: Convert to fraction form
    4,986.75/6,880.91 = 3,195.82/x
  3. Step 3: Cross multiply
    4,986.75x = 6,880.91 × 3,195.82
  4. Step 4: Simplify right side
    4,986.75x = 21,990,142.42
  5. Step 5: Solve for x
    x = 21,990,142.42/4,986.75
  6. Step 6: Final answer
    x = 4,409.71

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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.