Home / 4,217.35-6,339.87-3,912.88

Finding the Fourth Proportional to 4,217.35, 6,339.87 and 3,912.88

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Solution

The fourth proportional to 4,217.35, 6,339.87 and 3,912.88 is: 5,882.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,217.35 : 6,339.87 = 3,912.88 : x
  2. Step 2: Convert to fraction form
    4,217.35/6,339.87 = 3,912.88/x
  3. Step 3: Cross multiply
    4,217.35x = 6,339.87 × 3,912.88
  4. Step 4: Simplify right side
    4,217.35x = 24,807,150.53
  5. Step 5: Solve for x
    x = 24,807,150.53/4,217.35
  6. Step 6: Final answer
    x = 5,882.17

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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.