Home / 7,844.25-11,767.83-2,579.55

Finding the Fourth Proportional to 7,844.25, 11,767.83 and 2,579.55

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Solution

The fourth proportional to 7,844.25, 11,767.83 and 2,579.55 is: 3,869.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,844.25 : 11,767.83 = 2,579.55 : x
  2. Step 2: Convert to fraction form
    7,844.25/11,767.83 = 2,579.55/x
  3. Step 3: Cross multiply
    7,844.25x = 11,767.83 × 2,579.55
  4. Step 4: Simplify right side
    7,844.25x = 30,355,692.98
  5. Step 5: Solve for x
    x = 30,355,692.98/7,844.25
  6. Step 6: Final answer
    x = 3,869.80

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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.