Home / 6,122.10-9,186.60-2,611.71

Finding the Fourth Proportional to 6,122.10, 9,186.60 and 2,611.71

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Solution

The fourth proportional to 6,122.10, 9,186.60 and 2,611.71 is: 3,919.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,122.10 : 9,186.60 = 2,611.71 : x
  2. Step 2: Convert to fraction form
    6,122.10/9,186.60 = 2,611.71/x
  3. Step 3: Cross multiply
    6,122.10x = 9,186.60 × 2,611.71
  4. Step 4: Simplify right side
    6,122.10x = 23,992,735.09
  5. Step 5: Solve for x
    x = 23,992,735.09/6,122.10
  6. Step 6: Final answer
    x = 3,919.04

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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.