Home / 8,163.78-11,262.66-5,334.48

Finding the Fourth Proportional to 8,163.78, 11,262.66 and 5,334.48

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Solution

The fourth proportional to 8,163.78, 11,262.66 and 5,334.48 is: 7,359.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,163.78 : 11,262.66 = 5,334.48 : x
  2. Step 2: Convert to fraction form
    8,163.78/11,262.66 = 5,334.48/x
  3. Step 3: Cross multiply
    8,163.78x = 11,262.66 × 5,334.48
  4. Step 4: Simplify right side
    8,163.78x = 60,080,434.52
  5. Step 5: Solve for x
    x = 60,080,434.52/8,163.78
  6. Step 6: Final answer
    x = 7,359.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.