Home / 7,868.66-11,801.82-2,869.86

Finding the Fourth Proportional to 7,868.66, 11,801.82 and 2,869.86

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Solution

The fourth proportional to 7,868.66, 11,801.82 and 2,869.86 is: 4,304.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,868.66 : 11,801.82 = 2,869.86 : x
  2. Step 2: Convert to fraction form
    7,868.66/11,801.82 = 2,869.86/x
  3. Step 3: Cross multiply
    7,868.66x = 11,801.82 × 2,869.86
  4. Step 4: Simplify right side
    7,868.66x = 33,869,603.29
  5. Step 5: Solve for x
    x = 33,869,603.29/7,868.66
  6. Step 6: Final answer
    x = 4,304.37

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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.