Home / 8,273.28-12,413.92-4,112.96

Finding the Fourth Proportional to 8,273.28, 12,413.92 and 4,112.96

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Solution

The fourth proportional to 8,273.28, 12,413.92 and 4,112.96 is: 6,171.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,273.28 : 12,413.92 = 4,112.96 : x
  2. Step 2: Convert to fraction form
    8,273.28/12,413.92 = 4,112.96/x
  3. Step 3: Cross multiply
    8,273.28x = 12,413.92 × 4,112.96
  4. Step 4: Simplify right side
    8,273.28x = 51,057,956.40
  5. Step 5: Solve for x
    x = 51,057,956.40/8,273.28
  6. Step 6: Final answer
    x = 6,171.43

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1.5x scale

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.