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Finding the Fourth Proportional to 7,076.95, 10,599.24 and 3,381.78

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Solution

The fourth proportional to 7,076.95, 10,599.24 and 3,381.78 is: 5,064.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,076.95 : 10,599.24 = 3,381.78 : x
  2. Step 2: Convert to fraction form
    7,076.95/10,599.24 = 3,381.78/x
  3. Step 3: Cross multiply
    7,076.95x = 10,599.24 × 3,381.78
  4. Step 4: Simplify right side
    7,076.95x = 35,844,297.85
  5. Step 5: Solve for x
    x = 35,844,297.85/7,076.95
  6. Step 6: Final answer
    x = 5,064.94

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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.