Home / 4,282.32-6,438.12-3,961.68

Finding the Fourth Proportional to 4,282.32, 6,438.12 and 3,961.68

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Solution

The fourth proportional to 4,282.32, 6,438.12 and 3,961.68 is: 5,956.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,282.32 : 6,438.12 = 3,961.68 : x
  2. Step 2: Convert to fraction form
    4,282.32/6,438.12 = 3,961.68/x
  3. Step 3: Cross multiply
    4,282.32x = 6,438.12 × 3,961.68
  4. Step 4: Simplify right side
    4,282.32x = 25,505,771.24
  5. Step 5: Solve for x
    x = 25,505,771.24/4,282.32
  6. Step 6: Final answer
    x = 5,956.06

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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.