Home / 10,790.88-16,183.56-3,865.44

Finding the Fourth Proportional to 10,790.88, 16,183.56 and 3,865.44

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Solution

The fourth proportional to 10,790.88, 16,183.56 and 3,865.44 is: 5,797.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,790.88 : 16,183.56 = 3,865.44 : x
  2. Step 2: Convert to fraction form
    10,790.88/16,183.56 = 3,865.44/x
  3. Step 3: Cross multiply
    10,790.88x = 16,183.56 × 3,865.44
  4. Step 4: Simplify right side
    10,790.88x = 62,556,580.17
  5. Step 5: Solve for x
    x = 62,556,580.17/10,790.88
  6. Step 6: Final answer
    x = 5,797.17

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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.