Home / 4,239.75-6,351.39-3,127.13

Finding the Fourth Proportional to 4,239.75, 6,351.39 and 3,127.13

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Solution

The fourth proportional to 4,239.75, 6,351.39 and 3,127.13 is: 4,684.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,239.75 : 6,351.39 = 3,127.13 : x
  2. Step 2: Convert to fraction form
    4,239.75/6,351.39 = 3,127.13/x
  3. Step 3: Cross multiply
    4,239.75x = 6,351.39 × 3,127.13
  4. Step 4: Simplify right side
    4,239.75x = 19,861,590.45
  5. Step 5: Solve for x
    x = 19,861,590.45/4,239.75
  6. Step 6: Final answer
    x = 4,684.61

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1.5x scale

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.