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Finding the Fourth Proportional to 6,226, 9,339 and 1,609

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Solution

The fourth proportional to 6,226, 9,339 and 1,609 is: 2,413.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,226 : 9,339 = 1,609 : x
  2. Step 2: Convert to fraction form
    6,226/9,339 = 1,609/x
  3. Step 3: Cross multiply
    6,226x = 9,339 × 1,609
  4. Step 4: Simplify right side
    6,226x = 15,026,451
  5. Step 5: Solve for x
    x = 15,026,451/6,226
  6. Step 6: Final answer
    x = 2,413.50

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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.