Home / 6,789.42-10,183.66-2,109.32

Finding the Fourth Proportional to 6,789.42, 10,183.66 and 2,109.32

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Solution

The fourth proportional to 6,789.42, 10,183.66 and 2,109.32 is: 3,163.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,789.42 : 10,183.66 = 2,109.32 : x
  2. Step 2: Convert to fraction form
    6,789.42/10,183.66 = 2,109.32/x
  3. Step 3: Cross multiply
    6,789.42x = 10,183.66 × 2,109.32
  4. Step 4: Simplify right side
    6,789.42x = 21,480,597.71
  5. Step 5: Solve for x
    x = 21,480,597.71/6,789.42
  6. Step 6: Final answer
    x = 3,163.83

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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.