Home / 3,944.90-5,427.19-3,835.55

Finding the Fourth Proportional to 3,944.90, 5,427.19 and 3,835.55

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Solution

The fourth proportional to 3,944.90, 5,427.19 and 3,835.55 is: 5,276.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,944.90 : 5,427.19 = 3,835.55 : x
  2. Step 2: Convert to fraction form
    3,944.90/5,427.19 = 3,835.55/x
  3. Step 3: Cross multiply
    3,944.90x = 5,427.19 × 3,835.55
  4. Step 4: Simplify right side
    3,944.90x = 20,816,258.60
  5. Step 5: Solve for x
    x = 20,816,258.60/3,944.90
  6. Step 6: Final answer
    x = 5,276.75

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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.