Home / 3,911.13-5,866.97-1,137.83

Finding the Fourth Proportional to 3,911.13, 5,866.97 and 1,137.83

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Solution

The fourth proportional to 3,911.13, 5,866.97 and 1,137.83 is: 1,706.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,911.13 : 5,866.97 = 1,137.83 : x
  2. Step 2: Convert to fraction form
    3,911.13/5,866.97 = 1,137.83/x
  3. Step 3: Cross multiply
    3,911.13x = 5,866.97 × 1,137.83
  4. Step 4: Simplify right side
    3,911.13x = 6,675,579.45
  5. Step 5: Solve for x
    x = 6,675,579.45/3,911.13
  6. Step 6: Final answer
    x = 1,706.82

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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.