Home / 4,413.17-6,615.68-1,912.79

Finding the Fourth Proportional to 4,413.17, 6,615.68 and 1,912.79

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Solution

The fourth proportional to 4,413.17, 6,615.68 and 1,912.79 is: 2,867.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,413.17 : 6,615.68 = 1,912.79 : x
  2. Step 2: Convert to fraction form
    4,413.17/6,615.68 = 1,912.79/x
  3. Step 3: Cross multiply
    4,413.17x = 6,615.68 × 1,912.79
  4. Step 4: Simplify right side
    4,413.17x = 12,654,413.52
  5. Step 5: Solve for x
    x = 12,654,413.52/4,413.17
  6. Step 6: Final answer
    x = 2,867.42

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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.