Home / 4,680.27-7,020.05-2,211.39

Finding the Fourth Proportional to 4,680.27, 7,020.05 and 2,211.39

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Solution

The fourth proportional to 4,680.27, 7,020.05 and 2,211.39 is: 3,316.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,680.27 : 7,020.05 = 2,211.39 : x
  2. Step 2: Convert to fraction form
    4,680.27/7,020.05 = 2,211.39/x
  3. Step 3: Cross multiply
    4,680.27x = 7,020.05 × 2,211.39
  4. Step 4: Simplify right side
    4,680.27x = 15,524,057.31
  5. Step 5: Solve for x
    x = 15,524,057.31/4,680.27
  6. Step 6: Final answer
    x = 3,316.91

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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.