Home / 5,629.37-7,769.49-3,272.88

Finding the Fourth Proportional to 5,629.37, 7,769.49 and 3,272.88

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Solution

The fourth proportional to 5,629.37, 7,769.49 and 3,272.88 is: 4,517.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,629.37 : 7,769.49 = 3,272.88 : x
  2. Step 2: Convert to fraction form
    5,629.37/7,769.49 = 3,272.88/x
  3. Step 3: Cross multiply
    5,629.37x = 7,769.49 × 3,272.88
  4. Step 4: Simplify right side
    5,629.37x = 25,428,569.58
  5. Step 5: Solve for x
    x = 25,428,569.58/5,629.37
  6. Step 6: Final answer
    x = 4,517.13

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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.