Home / 6,880.20-9,494.16-3,896.38

Finding the Fourth Proportional to 6,880.20, 9,494.16 and 3,896.38

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Solution

The fourth proportional to 6,880.20, 9,494.16 and 3,896.38 is: 5,376.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,880.20 : 9,494.16 = 3,896.38 : x
  2. Step 2: Convert to fraction form
    6,880.20/9,494.16 = 3,896.38/x
  3. Step 3: Cross multiply
    6,880.20x = 9,494.16 × 3,896.38
  4. Step 4: Simplify right side
    6,880.20x = 36,992,855.14
  5. Step 5: Solve for x
    x = 36,992,855.14/6,880.20
  6. Step 6: Final answer
    x = 5,376.71

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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.