Home / 7,287.20-10,922.70-4,002.65

Finding the Fourth Proportional to 7,287.20, 10,922.70 and 4,002.65

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Solution

The fourth proportional to 7,287.20, 10,922.70 and 4,002.65 is: 5,999.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,287.20 : 10,922.70 = 4,002.65 : x
  2. Step 2: Convert to fraction form
    7,287.20/10,922.70 = 4,002.65/x
  3. Step 3: Cross multiply
    7,287.20x = 10,922.70 × 4,002.65
  4. Step 4: Simplify right side
    7,287.20x = 43,719,745.16
  5. Step 5: Solve for x
    x = 43,719,745.16/7,287.20
  6. Step 6: Final answer
    x = 5,999.53

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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.