Home / 5,161.49-7,119.59-3,565.38

Finding the Fourth Proportional to 5,161.49, 7,119.59 and 3,565.38

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Solution

The fourth proportional to 5,161.49, 7,119.59 and 3,565.38 is: 4,917.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,161.49 : 7,119.59 = 3,565.38 : x
  2. Step 2: Convert to fraction form
    5,161.49/7,119.59 = 3,565.38/x
  3. Step 3: Cross multiply
    5,161.49x = 7,119.59 × 3,565.38
  4. Step 4: Simplify right side
    5,161.49x = 25,384,025.97
  5. Step 5: Solve for x
    x = 25,384,025.97/5,161.49
  6. Step 6: Final answer
    x = 4,917.97

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Double scale
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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.