Home / 6,171.30-9,257.85-2,275.38

Finding the Fourth Proportional to 6,171.30, 9,257.85 and 2,275.38

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Solution

The fourth proportional to 6,171.30, 9,257.85 and 2,275.38 is: 3,413.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,171.30 : 9,257.85 = 2,275.38 : x
  2. Step 2: Convert to fraction form
    6,171.30/9,257.85 = 2,275.38/x
  3. Step 3: Cross multiply
    6,171.30x = 9,257.85 × 2,275.38
  4. Step 4: Simplify right side
    6,171.30x = 21,065,126.73
  5. Step 5: Solve for x
    x = 21,065,126.73/6,171.30
  6. Step 6: Final answer
    x = 3,413.40

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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.