Home / 3,911.09-5,860.81-3,540.68

Finding the Fourth Proportional to 3,911.09, 5,860.81 and 3,540.68

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Solution

The fourth proportional to 3,911.09, 5,860.81 and 3,540.68 is: 5,305.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,911.09 : 5,860.81 = 3,540.68 : x
  2. Step 2: Convert to fraction form
    3,911.09/5,860.81 = 3,540.68/x
  3. Step 3: Cross multiply
    3,911.09x = 5,860.81 × 3,540.68
  4. Step 4: Simplify right side
    3,911.09x = 20,751,205.74
  5. Step 5: Solve for x
    x = 20,751,205.74/3,911.09
  6. Step 6: Final answer
    x = 5,305.73

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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.