Home / 5,331.66-7,994.70-2,556.60

Finding the Fourth Proportional to 5,331.66, 7,994.70 and 2,556.60

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Solution

The fourth proportional to 5,331.66, 7,994.70 and 2,556.60 is: 3,833.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,331.66 : 7,994.70 = 2,556.60 : x
  2. Step 2: Convert to fraction form
    5,331.66/7,994.70 = 2,556.60/x
  3. Step 3: Cross multiply
    5,331.66x = 7,994.70 × 2,556.60
  4. Step 4: Simplify right side
    5,331.66x = 20,439,250.02
  5. Step 5: Solve for x
    x = 20,439,250.02/5,331.66
  6. Step 6: Final answer
    x = 3,833.56

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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.