Home / 4,066.61-6,099.91-2,122.61

Finding the Fourth Proportional to 4,066.61, 6,099.91 and 2,122.61

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Solution

The fourth proportional to 4,066.61, 6,099.91 and 2,122.61 is: 3,183.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,066.61 : 6,099.91 = 2,122.61 : x
  2. Step 2: Convert to fraction form
    4,066.61/6,099.91 = 2,122.61/x
  3. Step 3: Cross multiply
    4,066.61x = 6,099.91 × 2,122.61
  4. Step 4: Simplify right side
    4,066.61x = 12,947,694.16
  5. Step 5: Solve for x
    x = 12,947,694.16/4,066.61
  6. Step 6: Final answer
    x = 3,183.91

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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.