Home / 10,975.20-16,462.78-2,767.20

Finding the Fourth Proportional to 10,975.20, 16,462.78 and 2,767.20

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Solution

The fourth proportional to 10,975.20, 16,462.78 and 2,767.20 is: 4,150.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,975.20 : 16,462.78 = 2,767.20 : x
  2. Step 2: Convert to fraction form
    10,975.20/16,462.78 = 2,767.20/x
  3. Step 3: Cross multiply
    10,975.20x = 16,462.78 × 2,767.20
  4. Step 4: Simplify right side
    10,975.20x = 45,555,804.82
  5. Step 5: Solve for x
    x = 45,555,804.82/10,975.20
  6. Step 6: Final answer
    x = 4,150.79

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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.