Home / 4,028.49-5,563.54-2,772.79

Finding the Fourth Proportional to 4,028.49, 5,563.54 and 2,772.79

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Solution

The fourth proportional to 4,028.49, 5,563.54 and 2,772.79 is: 3,829.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,028.49 : 5,563.54 = 2,772.79 : x
  2. Step 2: Convert to fraction form
    4,028.49/5,563.54 = 2,772.79/x
  3. Step 3: Cross multiply
    4,028.49x = 5,563.54 × 2,772.79
  4. Step 4: Simplify right side
    4,028.49x = 15,426,517.63
  5. Step 5: Solve for x
    x = 15,426,517.63/4,028.49
  6. Step 6: Final answer
    x = 3,829.35

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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.