Home / 4,080.16-5,625.16-3,243.60

Finding the Fourth Proportional to 4,080.16, 5,625.16 and 3,243.60

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Solution

The fourth proportional to 4,080.16, 5,625.16 and 3,243.60 is: 4,471.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,080.16 : 5,625.16 = 3,243.60 : x
  2. Step 2: Convert to fraction form
    4,080.16/5,625.16 = 3,243.60/x
  3. Step 3: Cross multiply
    4,080.16x = 5,625.16 × 3,243.60
  4. Step 4: Simplify right side
    4,080.16x = 18,245,768.98
  5. Step 5: Solve for x
    x = 18,245,768.98/4,080.16
  6. Step 6: Final answer
    x = 4,471.83

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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.