Home / 4,216.27-6,328.28-2,137.73

Finding the Fourth Proportional to 4,216.27, 6,328.28 and 2,137.73

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Solution

The fourth proportional to 4,216.27, 6,328.28 and 2,137.73 is: 3,208.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,216.27 : 6,328.28 = 2,137.73 : x
  2. Step 2: Convert to fraction form
    4,216.27/6,328.28 = 2,137.73/x
  3. Step 3: Cross multiply
    4,216.27x = 6,328.28 × 2,137.73
  4. Step 4: Simplify right side
    4,216.27x = 13,528,115.68
  5. Step 5: Solve for x
    x = 13,528,115.68/4,216.27
  6. Step 6: Final answer
    x = 3,208.55

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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.