Home / 7,863.15-11,789.01-3,700.85

Finding the Fourth Proportional to 7,863.15, 11,789.01 and 3,700.85

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Solution

The fourth proportional to 7,863.15, 11,789.01 and 3,700.85 is: 5,548.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,863.15 : 11,789.01 = 3,700.85 : x
  2. Step 2: Convert to fraction form
    7,863.15/11,789.01 = 3,700.85/x
  3. Step 3: Cross multiply
    7,863.15x = 11,789.01 × 3,700.85
  4. Step 4: Simplify right side
    7,863.15x = 43,629,329.04
  5. Step 5: Solve for x
    x = 43,629,329.04/7,863.15
  6. Step 6: Final answer
    x = 5,548.58

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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.