Home / 8,869.41-13,308.66-5,367.78

Finding the Fourth Proportional to 8,869.41, 13,308.66 and 5,367.78

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Solution

The fourth proportional to 8,869.41, 13,308.66 and 5,367.78 is: 8,054.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,869.41 : 13,308.66 = 5,367.78 : x
  2. Step 2: Convert to fraction form
    8,869.41/13,308.66 = 5,367.78/x
  3. Step 3: Cross multiply
    8,869.41x = 13,308.66 × 5,367.78
  4. Step 4: Simplify right side
    8,869.41x = 71,437,958.97
  5. Step 5: Solve for x
    x = 71,437,958.97/8,869.41
  6. Step 6: Final answer
    x = 8,054.42

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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.