Home / 4,120.67-6,186.78-3,296.30

Finding the Fourth Proportional to 4,120.67, 6,186.78 and 3,296.30

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Solution

The fourth proportional to 4,120.67, 6,186.78 and 3,296.30 is: 4,949.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,120.67 : 6,186.78 = 3,296.30 : x
  2. Step 2: Convert to fraction form
    4,120.67/6,186.78 = 3,296.30/x
  3. Step 3: Cross multiply
    4,120.67x = 6,186.78 × 3,296.30
  4. Step 4: Simplify right side
    4,120.67x = 20,393,451.98
  5. Step 5: Solve for x
    x = 20,393,451.98/4,120.67
  6. Step 6: Final answer
    x = 4,949.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.