Home / 7,219.67-10,821.24-3,273.93

Finding the Fourth Proportional to 7,219.67, 10,821.24 and 3,273.93

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Solution

The fourth proportional to 7,219.67, 10,821.24 and 3,273.93 is: 4,907.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,219.67 : 10,821.24 = 3,273.93 : x
  2. Step 2: Convert to fraction form
    7,219.67/10,821.24 = 3,273.93/x
  3. Step 3: Cross multiply
    7,219.67x = 10,821.24 × 3,273.93
  4. Step 4: Simplify right side
    7,219.67x = 35,427,982.27
  5. Step 5: Solve for x
    x = 35,427,982.27/7,219.67
  6. Step 6: Final answer
    x = 4,907.15

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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.