Home / 4,207.71-6,311.63-3,425.77

Finding the Fourth Proportional to 4,207.71, 6,311.63 and 3,425.77

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Solution

The fourth proportional to 4,207.71, 6,311.63 and 3,425.77 is: 5,138.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,207.71 : 6,311.63 = 3,425.77 : x
  2. Step 2: Convert to fraction form
    4,207.71/6,311.63 = 3,425.77/x
  3. Step 3: Cross multiply
    4,207.71x = 6,311.63 × 3,425.77
  4. Step 4: Simplify right side
    4,207.71x = 21,622,192.71
  5. Step 5: Solve for x
    x = 21,622,192.71/4,207.71
  6. Step 6: Final answer
    x = 5,138.71

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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.