Home / 7,201.31-10,789.68-5,110.97

Finding the Fourth Proportional to 7,201.31, 10,789.68 and 5,110.97

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Solution

The fourth proportional to 7,201.31, 10,789.68 and 5,110.97 is: 7,657.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,201.31 : 10,789.68 = 5,110.97 : x
  2. Step 2: Convert to fraction form
    7,201.31/10,789.68 = 5,110.97/x
  3. Step 3: Cross multiply
    7,201.31x = 10,789.68 × 5,110.97
  4. Step 4: Simplify right side
    7,201.31x = 55,145,757.76
  5. Step 5: Solve for x
    x = 55,145,757.76/7,201.31
  6. Step 6: Final answer
    x = 7,657.74

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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.