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Finding the Fourth Proportional to 7,859.08, 11,792.67 and 3,479.61

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Solution

The fourth proportional to 7,859.08, 11,792.67 and 3,479.61 is: 5,221.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,859.08 : 11,792.67 = 3,479.61 : x
  2. Step 2: Convert to fraction form
    7,859.08/11,792.67 = 3,479.61/x
  3. Step 3: Cross multiply
    7,859.08x = 11,792.67 × 3,479.61
  4. Step 4: Simplify right side
    7,859.08x = 41,033,892.46
  5. Step 5: Solve for x
    x = 41,033,892.46/7,859.08
  6. Step 6: Final answer
    x = 5,221.21

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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.