Home / 6,122.77-9,183.94-2,660.02

Finding the Fourth Proportional to 6,122.77, 9,183.94 and 2,660.02

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Solution

The fourth proportional to 6,122.77, 9,183.94 and 2,660.02 is: 3,989.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,122.77 : 9,183.94 = 2,660.02 : x
  2. Step 2: Convert to fraction form
    6,122.77/9,183.94 = 2,660.02/x
  3. Step 3: Cross multiply
    6,122.77x = 9,183.94 × 2,660.02
  4. Step 4: Simplify right side
    6,122.77x = 24,429,464.08
  5. Step 5: Solve for x
    x = 24,429,464.08/6,122.77
  6. Step 6: Final answer
    x = 3,989.94

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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.