Home / 4,148.70-6,231.69-3,289.02

Finding the Fourth Proportional to 4,148.70, 6,231.69 and 3,289.02

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Solution

The fourth proportional to 4,148.70, 6,231.69 and 3,289.02 is: 4,940.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,148.70 : 6,231.69 = 3,289.02 : x
  2. Step 2: Convert to fraction form
    4,148.70/6,231.69 = 3,289.02/x
  3. Step 3: Cross multiply
    4,148.70x = 6,231.69 × 3,289.02
  4. Step 4: Simplify right side
    4,148.70x = 20,496,153.04
  5. Step 5: Solve for x
    x = 20,496,153.04/4,148.70
  6. Step 6: Final answer
    x = 4,940.38

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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.