Home / 6,789.88-10,183.20-3,501.28

Finding the Fourth Proportional to 6,789.88, 10,183.20 and 3,501.28

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Solution

The fourth proportional to 6,789.88, 10,183.20 and 3,501.28 is: 5,251.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,789.88 : 10,183.20 = 3,501.28 : x
  2. Step 2: Convert to fraction form
    6,789.88/10,183.20 = 3,501.28/x
  3. Step 3: Cross multiply
    6,789.88x = 10,183.20 × 3,501.28
  4. Step 4: Simplify right side
    6,789.88x = 35,654,234.50
  5. Step 5: Solve for x
    x = 35,654,234.50/6,789.88
  6. Step 6: Final answer
    x = 5,251.08

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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.