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Finding the Fourth Proportional to 7,839.33, 11,763.02 and 5,208.67

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Solution

The fourth proportional to 7,839.33, 11,763.02 and 5,208.67 is: 7,815.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,839.33 : 11,763.02 = 5,208.67 : x
  2. Step 2: Convert to fraction form
    7,839.33/11,763.02 = 5,208.67/x
  3. Step 3: Cross multiply
    7,839.33x = 11,763.02 × 5,208.67
  4. Step 4: Simplify right side
    7,839.33x = 61,269,689.38
  5. Step 5: Solve for x
    x = 61,269,689.38/7,839.33
  6. Step 6: Final answer
    x = 7,815.68

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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.