Home / 5,241.44-7,858.68-2,076.78

Finding the Fourth Proportional to 5,241.44, 7,858.68 and 2,076.78

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Solution

The fourth proportional to 5,241.44, 7,858.68 and 2,076.78 is: 3,113.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,241.44 : 7,858.68 = 2,076.78 : x
  2. Step 2: Convert to fraction form
    5,241.44/7,858.68 = 2,076.78/x
  3. Step 3: Cross multiply
    5,241.44x = 7,858.68 × 2,076.78
  4. Step 4: Simplify right side
    5,241.44x = 16,320,749.45
  5. Step 5: Solve for x
    x = 16,320,749.45/5,241.44
  6. Step 6: Final answer
    x = 3,113.79

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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.