Home / 6,789.42-10,182.87-2,108.75

Finding the Fourth Proportional to 6,789.42, 10,182.87 and 2,108.75

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Solution

The fourth proportional to 6,789.42, 10,182.87 and 2,108.75 is: 3,162.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,789.42 : 10,182.87 = 2,108.75 : x
  2. Step 2: Convert to fraction form
    6,789.42/10,182.87 = 2,108.75/x
  3. Step 3: Cross multiply
    6,789.42x = 10,182.87 × 2,108.75
  4. Step 4: Simplify right side
    6,789.42x = 21,473,076.20
  5. Step 5: Solve for x
    x = 21,473,076.20/6,789.42
  6. Step 6: Final answer
    x = 3,162.73

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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.