Home / 6,122.19-9,186.74-2,611.86

Finding the Fourth Proportional to 6,122.19, 9,186.74 and 2,611.86

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Solution

The fourth proportional to 6,122.19, 9,186.74 and 2,611.86 is: 3,919.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,122.19 : 9,186.74 = 2,611.86 : x
  2. Step 2: Convert to fraction form
    6,122.19/9,186.74 = 2,611.86/x
  3. Step 3: Cross multiply
    6,122.19x = 9,186.74 × 2,611.86
  4. Step 4: Simplify right side
    6,122.19x = 23,994,465.68
  5. Step 5: Solve for x
    x = 23,994,465.68/6,122.19
  6. Step 6: Final answer
    x = 3,919.27

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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.