Home / 4,028.28-5,555.82-3,328.44

Finding the Fourth Proportional to 4,028.28, 5,555.82 and 3,328.44

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Solution

The fourth proportional to 4,028.28, 5,555.82 and 3,328.44 is: 4,590.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,028.28 : 5,555.82 = 3,328.44 : x
  2. Step 2: Convert to fraction form
    4,028.28/5,555.82 = 3,328.44/x
  3. Step 3: Cross multiply
    4,028.28x = 5,555.82 × 3,328.44
  4. Step 4: Simplify right side
    4,028.28x = 18,492,213.52
  5. Step 5: Solve for x
    x = 18,492,213.52/4,028.28
  6. Step 6: Final answer
    x = 4,590.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.