Home / 4,214.43-6,311.79-3,331.00

Finding the Fourth Proportional to 4,214.43, 6,311.79 and 3,331.00

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Solution

The fourth proportional to 4,214.43, 6,311.79 and 3,331.00 is: 4,988.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,214.43 : 6,311.79 = 3,331.00 : x
  2. Step 2: Convert to fraction form
    4,214.43/6,311.79 = 3,331.00/x
  3. Step 3: Cross multiply
    4,214.43x = 6,311.79 × 3,331.00
  4. Step 4: Simplify right side
    4,214.43x = 21,024,580.38
  5. Step 5: Solve for x
    x = 21,024,580.38/4,214.43
  6. Step 6: Final answer
    x = 4,988.71

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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.