Home / 7,222.57-10,823.20-3,275.03

Finding the Fourth Proportional to 7,222.57, 10,823.20 and 3,275.03

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Solution

The fourth proportional to 7,222.57, 10,823.20 and 3,275.03 is: 4,907.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,222.57 : 10,823.20 = 3,275.03 : x
  2. Step 2: Convert to fraction form
    7,222.57/10,823.20 = 3,275.03/x
  3. Step 3: Cross multiply
    7,222.57x = 10,823.20 × 3,275.03
  4. Step 4: Simplify right side
    7,222.57x = 35,446,288.32
  5. Step 5: Solve for x
    x = 35,446,288.32/7,222.57
  6. Step 6: Final answer
    x = 4,907.71

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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.