Home / 7,769.08-11,653.94-2,221.84

Finding the Fourth Proportional to 7,769.08, 11,653.94 and 2,221.84

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Solution

The fourth proportional to 7,769.08, 11,653.94 and 2,221.84 is: 3,332.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,769.08 : 11,653.94 = 2,221.84 : x
  2. Step 2: Convert to fraction form
    7,769.08/11,653.94 = 2,221.84/x
  3. Step 3: Cross multiply
    7,769.08x = 11,653.94 × 2,221.84
  4. Step 4: Simplify right side
    7,769.08x = 25,893,190.05
  5. Step 5: Solve for x
    x = 25,893,190.05/7,769.08
  6. Step 6: Final answer
    x = 3,332.85

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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.