Home / 7,180.80-10,769.15-3,020.79

Finding the Fourth Proportional to 7,180.80, 10,769.15 and 3,020.79

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Solution

The fourth proportional to 7,180.80, 10,769.15 and 3,020.79 is: 4,530.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,180.80 : 10,769.15 = 3,020.79 : x
  2. Step 2: Convert to fraction form
    7,180.80/10,769.15 = 3,020.79/x
  3. Step 3: Cross multiply
    7,180.80x = 10,769.15 × 3,020.79
  4. Step 4: Simplify right side
    7,180.80x = 32,531,388.56
  5. Step 5: Solve for x
    x = 32,531,388.56/7,180.80
  6. Step 6: Final answer
    x = 4,530.33

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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.