Home / 4,234.28-6,336.63-3,231.90

Finding the Fourth Proportional to 4,234.28, 6,336.63 and 3,231.90

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Solution

The fourth proportional to 4,234.28, 6,336.63 and 3,231.90 is: 4,836.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,234.28 : 6,336.63 = 3,231.90 : x
  2. Step 2: Convert to fraction form
    4,234.28/6,336.63 = 3,231.90/x
  3. Step 3: Cross multiply
    4,234.28x = 6,336.63 × 3,231.90
  4. Step 4: Simplify right side
    4,234.28x = 20,479,354.50
  5. Step 5: Solve for x
    x = 20,479,354.50/4,234.28
  6. Step 6: Final answer
    x = 4,836.57

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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.