Home / 3,911.15-5,867.71-1,137.75

Finding the Fourth Proportional to 3,911.15, 5,867.71 and 1,137.75

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Solution

The fourth proportional to 3,911.15, 5,867.71 and 1,137.75 is: 1,706.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,911.15 : 5,867.71 = 1,137.75 : x
  2. Step 2: Convert to fraction form
    3,911.15/5,867.71 = 1,137.75/x
  3. Step 3: Cross multiply
    3,911.15x = 5,867.71 × 1,137.75
  4. Step 4: Simplify right side
    3,911.15x = 6,675,987.05
  5. Step 5: Solve for x
    x = 6,675,987.05/3,911.15
  6. Step 6: Final answer
    x = 1,706.91

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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.