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Finding the Fourth Proportional to 6,886, 10,329.36 and 2,269

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Solution

The fourth proportional to 6,886, 10,329.36 and 2,269 is: 3,403.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,886 : 10,329.36 = 2,269 : x
  2. Step 2: Convert to fraction form
    6,886/10,329.36 = 2,269/x
  3. Step 3: Cross multiply
    6,886x = 10,329.36 × 2,269
  4. Step 4: Simplify right side
    6,886x = 23,437,317.84
  5. Step 5: Solve for x
    x = 23,437,317.84/6,886
  6. Step 6: Final answer
    x = 3,403.62

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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.