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Finding the Fourth Proportional to 7,792.60, 11,675.94 and 5,479.24

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Solution

The fourth proportional to 7,792.60, 11,675.94 and 5,479.24 is: 8,209.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,792.60 : 11,675.94 = 5,479.24 : x
  2. Step 2: Convert to fraction form
    7,792.60/11,675.94 = 5,479.24/x
  3. Step 3: Cross multiply
    7,792.60x = 11,675.94 × 5,479.24
  4. Step 4: Simplify right side
    7,792.60x = 63,975,277.49
  5. Step 5: Solve for x
    x = 63,975,277.49/7,792.60
  6. Step 6: Final answer
    x = 8,209.75

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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.