Home / 3,999.96-5,518.41-2,505.27

Finding the Fourth Proportional to 3,999.96, 5,518.41 and 2,505.27

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Solution

The fourth proportional to 3,999.96, 5,518.41 and 2,505.27 is: 3,456.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,999.96 : 5,518.41 = 2,505.27 : x
  2. Step 2: Convert to fraction form
    3,999.96/5,518.41 = 2,505.27/x
  3. Step 3: Cross multiply
    3,999.96x = 5,518.41 × 2,505.27
  4. Step 4: Simplify right side
    3,999.96x = 13,825,118.32
  5. Step 5: Solve for x
    x = 13,825,118.32/3,999.96
  6. Step 6: Final answer
    x = 3,456.31

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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.