Home / 6,422.77-9,639.03-2,727.60

Finding the Fourth Proportional to 6,422.77, 9,639.03 and 2,727.60

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Solution

The fourth proportional to 6,422.77, 9,639.03 and 2,727.60 is: 4,093.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,422.77 : 9,639.03 = 2,727.60 : x
  2. Step 2: Convert to fraction form
    6,422.77/9,639.03 = 2,727.60/x
  3. Step 3: Cross multiply
    6,422.77x = 9,639.03 × 2,727.60
  4. Step 4: Simplify right side
    6,422.77x = 26,291,413.67
  5. Step 5: Solve for x
    x = 26,291,413.67/6,422.77
  6. Step 6: Final answer
    x = 4,093.47

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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.