Home / 7,769.92-11,651.46-2,222.04

Finding the Fourth Proportional to 7,769.92, 11,651.46 and 2,222.04

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Solution

The fourth proportional to 7,769.92, 11,651.46 and 2,222.04 is: 3,332.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,769.92 : 11,651.46 = 2,222.04 : x
  2. Step 2: Convert to fraction form
    7,769.92/11,651.46 = 2,222.04/x
  3. Step 3: Cross multiply
    7,769.92x = 11,651.46 × 2,222.04
  4. Step 4: Simplify right side
    7,769.92x = 25,890,010.18
  5. Step 5: Solve for x
    x = 25,890,010.18/7,769.92
  6. Step 6: Final answer
    x = 3,332.08

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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.