Home / 6,464.44-8,921.22-3,811.96

Finding the Fourth Proportional to 6,464.44, 8,921.22 and 3,811.96

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Solution

The fourth proportional to 6,464.44, 8,921.22 and 3,811.96 is: 5,260.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,464.44 : 8,921.22 = 3,811.96 : x
  2. Step 2: Convert to fraction form
    6,464.44/8,921.22 = 3,811.96/x
  3. Step 3: Cross multiply
    6,464.44x = 8,921.22 × 3,811.96
  4. Step 4: Simplify right side
    6,464.44x = 34,007,333.79
  5. Step 5: Solve for x
    x = 34,007,333.79/6,464.44
  6. Step 6: Final answer
    x = 5,260.68

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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.