Home / 4,214.38-6,316.45-2,982.15

Finding the Fourth Proportional to 4,214.38, 6,316.45 and 2,982.15

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Solution

The fourth proportional to 4,214.38, 6,316.45 and 2,982.15 is: 4,469.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,214.38 : 6,316.45 = 2,982.15 : x
  2. Step 2: Convert to fraction form
    4,214.38/6,316.45 = 2,982.15/x
  3. Step 3: Cross multiply
    4,214.38x = 6,316.45 × 2,982.15
  4. Step 4: Simplify right side
    4,214.38x = 18,836,601.37
  5. Step 5: Solve for x
    x = 18,836,601.37/4,214.38
  6. Step 6: Final answer
    x = 4,469.60

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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.