Home / 3,893.20-5,865.80-3,523.48

Finding the Fourth Proportional to 3,893.20, 5,865.80 and 3,523.48

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Solution

The fourth proportional to 3,893.20, 5,865.80 and 3,523.48 is: 5,308.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,893.20 : 5,865.80 = 3,523.48 : x
  2. Step 2: Convert to fraction form
    3,893.20/5,865.80 = 3,523.48/x
  3. Step 3: Cross multiply
    3,893.20x = 5,865.80 × 3,523.48
  4. Step 4: Simplify right side
    3,893.20x = 20,668,028.98
  5. Step 5: Solve for x
    x = 20,668,028.98/3,893.20
  6. Step 6: Final answer
    x = 5,308.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.