Home / 4,028.58-5,563.67-2,772.88

Finding the Fourth Proportional to 4,028.58, 5,563.67 and 2,772.88

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Solution

The fourth proportional to 4,028.58, 5,563.67 and 2,772.88 is: 3,829.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,028.58 : 5,563.67 = 2,772.88 : x
  2. Step 2: Convert to fraction form
    4,028.58/5,563.67 = 2,772.88/x
  3. Step 3: Cross multiply
    4,028.58x = 5,563.67 × 2,772.88
  4. Step 4: Simplify right side
    4,028.58x = 15,427,389.27
  5. Step 5: Solve for x
    x = 15,427,389.27/4,028.58
  6. Step 6: Final answer
    x = 3,829.49

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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.