Home / 7,728.42-11,593.56-2,729.77

Finding the Fourth Proportional to 7,728.42, 11,593.56 and 2,729.77

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Solution

The fourth proportional to 7,728.42, 11,593.56 and 2,729.77 is: 4,094.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,728.42 : 11,593.56 = 2,729.77 : x
  2. Step 2: Convert to fraction form
    7,728.42/11,593.56 = 2,729.77/x
  3. Step 3: Cross multiply
    7,728.42x = 11,593.56 × 2,729.77
  4. Step 4: Simplify right side
    7,728.42x = 31,647,723.30
  5. Step 5: Solve for x
    x = 31,647,723.30/7,728.42
  6. Step 6: Final answer
    x = 4,094.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.