Home / 4,216.33-6,328.38-2,137.78

Finding the Fourth Proportional to 4,216.33, 6,328.38 and 2,137.78

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Solution

The fourth proportional to 4,216.33, 6,328.38 and 2,137.78 is: 3,208.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,216.33 : 6,328.38 = 2,137.78 : x
  2. Step 2: Convert to fraction form
    4,216.33/6,328.38 = 2,137.78/x
  3. Step 3: Cross multiply
    4,216.33x = 6,328.38 × 2,137.78
  4. Step 4: Simplify right side
    4,216.33x = 13,528,692.11
  5. Step 5: Solve for x
    x = 13,528,692.11/4,216.33
  6. Step 6: Final answer
    x = 3,208.64

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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.