Home / 5,201.82-7,177.83-3,105.50

Finding the Fourth Proportional to 5,201.82, 7,177.83 and 3,105.50

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Solution

The fourth proportional to 5,201.82, 7,177.83 and 3,105.50 is: 4,285.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,201.82 : 7,177.83 = 3,105.50 : x
  2. Step 2: Convert to fraction form
    5,201.82/7,177.83 = 3,105.50/x
  3. Step 3: Cross multiply
    5,201.82x = 7,177.83 × 3,105.50
  4. Step 4: Simplify right side
    5,201.82x = 22,290,751.07
  5. Step 5: Solve for x
    x = 22,290,751.07/5,201.82
  6. Step 6: Final answer
    x = 4,285.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.