Home / 3,845.13-5,775.54-3,393.15

Finding the Fourth Proportional to 3,845.13, 5,775.54 and 3,393.15

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Solution

The fourth proportional to 3,845.13, 5,775.54 and 3,393.15 is: 5,096.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,845.13 : 5,775.54 = 3,393.15 : x
  2. Step 2: Convert to fraction form
    3,845.13/5,775.54 = 3,393.15/x
  3. Step 3: Cross multiply
    3,845.13x = 5,775.54 × 3,393.15
  4. Step 4: Simplify right side
    3,845.13x = 19,597,273.55
  5. Step 5: Solve for x
    x = 19,597,273.55/3,845.13
  6. Step 6: Final answer
    x = 5,096.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.