Home / 4,146.50-6,222.14-2,198.70

Finding the Fourth Proportional to 4,146.50, 6,222.14 and 2,198.70

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Solution

The fourth proportional to 4,146.50, 6,222.14 and 2,198.70 is: 3,299.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,146.50 : 6,222.14 = 2,198.70 : x
  2. Step 2: Convert to fraction form
    4,146.50/6,222.14 = 2,198.70/x
  3. Step 3: Cross multiply
    4,146.50x = 6,222.14 × 2,198.70
  4. Step 4: Simplify right side
    4,146.50x = 13,680,608.22
  5. Step 5: Solve for x
    x = 13,680,608.22/4,146.50
  6. Step 6: Final answer
    x = 3,299.32

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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.