Home / 8,177.45-11,259.89-6,163.79

Finding the Fourth Proportional to 8,177.45, 11,259.89 and 6,163.79

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Solution

The fourth proportional to 8,177.45, 11,259.89 and 6,163.79 is: 8,487.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,177.45 : 11,259.89 = 6,163.79 : x
  2. Step 2: Convert to fraction form
    8,177.45/11,259.89 = 6,163.79/x
  3. Step 3: Cross multiply
    8,177.45x = 11,259.89 × 6,163.79
  4. Step 4: Simplify right side
    8,177.45x = 69,403,597.38
  5. Step 5: Solve for x
    x = 69,403,597.38/8,177.45
  6. Step 6: Final answer
    x = 8,487.19

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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.