Home / 6,601.29-9,109.85-3,769.05

Finding the Fourth Proportional to 6,601.29, 9,109.85 and 3,769.05

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Solution

The fourth proportional to 6,601.29, 9,109.85 and 3,769.05 is: 5,201.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,601.29 : 9,109.85 = 3,769.05 : x
  2. Step 2: Convert to fraction form
    6,601.29/9,109.85 = 3,769.05/x
  3. Step 3: Cross multiply
    6,601.29x = 9,109.85 × 3,769.05
  4. Step 4: Simplify right side
    6,601.29x = 34,335,480.14
  5. Step 5: Solve for x
    x = 34,335,480.14/6,601.29
  6. Step 6: Final answer
    x = 5,201.33

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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.