Home / 4,015.31-5,544.45-2,755.89

Finding the Fourth Proportional to 4,015.31, 5,544.45 and 2,755.89

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Solution

The fourth proportional to 4,015.31, 5,544.45 and 2,755.89 is: 3,805.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,015.31 : 5,544.45 = 2,755.89 : x
  2. Step 2: Convert to fraction form
    4,015.31/5,544.45 = 2,755.89/x
  3. Step 3: Cross multiply
    4,015.31x = 5,544.45 × 2,755.89
  4. Step 4: Simplify right side
    4,015.31x = 15,279,894.31
  5. Step 5: Solve for x
    x = 15,279,894.31/4,015.31
  6. Step 6: Final answer
    x = 3,805.41

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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.