Home / 6,121.82-8,448.08-3,327.32

Finding the Fourth Proportional to 6,121.82, 8,448.08 and 3,327.32

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Solution

The fourth proportional to 6,121.82, 8,448.08 and 3,327.32 is: 4,591.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,121.82 : 8,448.08 = 3,327.32 : x
  2. Step 2: Convert to fraction form
    6,121.82/8,448.08 = 3,327.32/x
  3. Step 3: Cross multiply
    6,121.82x = 8,448.08 × 3,327.32
  4. Step 4: Simplify right side
    6,121.82x = 28,109,406.67
  5. Step 5: Solve for x
    x = 28,109,406.67/6,121.82
  6. Step 6: Final answer
    x = 4,591.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.