Home / 8,268.94-12,400.74-2,721

Finding the Fourth Proportional to 8,268.94, 12,400.74 and 2,721

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Solution

The fourth proportional to 8,268.94, 12,400.74 and 2,721 is: 4,080.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,268.94 : 12,400.74 = 2,721 : x
  2. Step 2: Convert to fraction form
    8,268.94/12,400.74 = 2,721/x
  3. Step 3: Cross multiply
    8,268.94x = 12,400.74 × 2,721
  4. Step 4: Simplify right side
    8,268.94x = 33,742,413.54
  5. Step 5: Solve for x
    x = 33,742,413.54/8,268.94
  6. Step 6: Final answer
    x = 4,080.62

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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.