Home / 4,234.40-6,339.87-3,191.25

Finding the Fourth Proportional to 4,234.40, 6,339.87 and 3,191.25

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Solution

The fourth proportional to 4,234.40, 6,339.87 and 3,191.25 is: 4,778.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,234.40 : 6,339.87 = 3,191.25 : x
  2. Step 2: Convert to fraction form
    4,234.40/6,339.87 = 3,191.25/x
  3. Step 3: Cross multiply
    4,234.40x = 6,339.87 × 3,191.25
  4. Step 4: Simplify right side
    4,234.40x = 20,232,110.14
  5. Step 5: Solve for x
    x = 20,232,110.14/4,234.40
  6. Step 6: Final answer
    x = 4,778.03

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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.