Home / 4,028.56-5,563.56-3,206.80

Finding the Fourth Proportional to 4,028.56, 5,563.56 and 3,206.80

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Solution

The fourth proportional to 4,028.56, 5,563.56 and 3,206.80 is: 4,428.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,028.56 : 5,563.56 = 3,206.80 : x
  2. Step 2: Convert to fraction form
    4,028.56/5,563.56 = 3,206.80/x
  3. Step 3: Cross multiply
    4,028.56x = 5,563.56 × 3,206.80
  4. Step 4: Simplify right side
    4,028.56x = 17,841,224.21
  5. Step 5: Solve for x
    x = 17,841,224.21/4,028.56
  6. Step 6: Final answer
    x = 4,428.69

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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.