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Finding the Fourth Proportional to 7,704.50, 10,632.21 and 4,911.62

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Solution

The fourth proportional to 7,704.50, 10,632.21 and 4,911.62 is: 6,778.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,704.50 : 10,632.21 = 4,911.62 : x
  2. Step 2: Convert to fraction form
    7,704.50/10,632.21 = 4,911.62/x
  3. Step 3: Cross multiply
    7,704.50x = 10,632.21 × 4,911.62
  4. Step 4: Simplify right side
    7,704.50x = 52,221,375.28
  5. Step 5: Solve for x
    x = 52,221,375.28/7,704.50
  6. Step 6: Final answer
    x = 6,778.04

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.