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Finding the Fourth Proportional to 7,704.60, 11,556.90 and 7,449.45

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Solution

The fourth proportional to 7,704.60, 11,556.90 and 7,449.45 is: 11,174.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,704.60 : 11,556.90 = 7,449.45 : x
  2. Step 2: Convert to fraction form
    7,704.60/11,556.90 = 7,449.45/x
  3. Step 3: Cross multiply
    7,704.60x = 11,556.90 × 7,449.45
  4. Step 4: Simplify right side
    7,704.60x = 86,092,548.71
  5. Step 5: Solve for x
    x = 86,092,548.71/7,704.60
  6. Step 6: Final answer
    x = 11,174.18

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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.