Home / 7,854.38-11,786.96-3,237.38

Finding the Fourth Proportional to 7,854.38, 11,786.96 and 3,237.38

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Solution

The fourth proportional to 7,854.38, 11,786.96 and 3,237.38 is: 4,858.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,854.38 : 11,786.96 = 3,237.38 : x
  2. Step 2: Convert to fraction form
    7,854.38/11,786.96 = 3,237.38/x
  3. Step 3: Cross multiply
    7,854.38x = 11,786.96 × 3,237.38
  4. Step 4: Simplify right side
    7,854.38x = 38,158,868.56
  5. Step 5: Solve for x
    x = 38,158,868.56/7,854.38
  6. Step 6: Final answer
    x = 4,858.29

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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.