Home / 8,163.85-11,262.86-5,330.31

Finding the Fourth Proportional to 8,163.85, 11,262.86 and 5,330.31

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Solution

The fourth proportional to 8,163.85, 11,262.86 and 5,330.31 is: 7,353.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,163.85 : 11,262.86 = 5,330.31 : x
  2. Step 2: Convert to fraction form
    8,163.85/11,262.86 = 5,330.31/x
  3. Step 3: Cross multiply
    8,163.85x = 11,262.86 × 5,330.31
  4. Step 4: Simplify right side
    8,163.85x = 60,034,535.29
  5. Step 5: Solve for x
    x = 60,034,535.29/8,163.85
  6. Step 6: Final answer
    x = 7,353.71

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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.