Home / 6,120.14-9,177.78-2,222.42

Finding the Fourth Proportional to 6,120.14, 9,177.78 and 2,222.42

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Solution

The fourth proportional to 6,120.14, 9,177.78 and 2,222.42 is: 3,332.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,120.14 : 9,177.78 = 2,222.42 : x
  2. Step 2: Convert to fraction form
    6,120.14/9,177.78 = 2,222.42/x
  3. Step 3: Cross multiply
    6,120.14x = 9,177.78 × 2,222.42
  4. Step 4: Simplify right side
    6,120.14x = 20,396,881.83
  5. Step 5: Solve for x
    x = 20,396,881.83/6,120.14
  6. Step 6: Final answer
    x = 3,332.75

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1.5x scale

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.