Home / 6,880.20-9,494.17-3,896.37

Finding the Fourth Proportional to 6,880.20, 9,494.17 and 3,896.37

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Solution

The fourth proportional to 6,880.20, 9,494.17 and 3,896.37 is: 5,376.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,880.20 : 9,494.17 = 3,896.37 : x
  2. Step 2: Convert to fraction form
    6,880.20/9,494.17 = 3,896.37/x
  3. Step 3: Cross multiply
    6,880.20x = 9,494.17 × 3,896.37
  4. Step 4: Simplify right side
    6,880.20x = 36,992,799.16
  5. Step 5: Solve for x
    x = 36,992,799.16/6,880.20
  6. Step 6: Final answer
    x = 5,376.70

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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.