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Finding the Fourth Proportional to 7,222.22, 10,833.33 and 2,605.22

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Solution

The fourth proportional to 7,222.22, 10,833.33 and 2,605.22 is: 3,907.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,222.22 : 10,833.33 = 2,605.22 : x
  2. Step 2: Convert to fraction form
    7,222.22/10,833.33 = 2,605.22/x
  3. Step 3: Cross multiply
    7,222.22x = 10,833.33 × 2,605.22
  4. Step 4: Simplify right side
    7,222.22x = 28,223,207.98
  5. Step 5: Solve for x
    x = 28,223,207.98/7,222.22
  6. Step 6: Final answer
    x = 3,907.83

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.