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Finding the Fourth Proportional to 8,886, 13,329.32 and 3,338.76

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Solution

The fourth proportional to 8,886, 13,329.32 and 3,338.76 is: 5,008.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,886 : 13,329.32 = 3,338.76 : x
  2. Step 2: Convert to fraction form
    8,886/13,329.32 = 3,338.76/x
  3. Step 3: Cross multiply
    8,886x = 13,329.32 × 3,338.76
  4. Step 4: Simplify right side
    8,886x = 44,503,400.44
  5. Step 5: Solve for x
    x = 44,503,400.44/8,886
  6. Step 6: Final answer
    x = 5,008.26

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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.