Home / 4,388.30-6,054.45-3,129.56

Finding the Fourth Proportional to 4,388.30, 6,054.45 and 3,129.56

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Solution

The fourth proportional to 4,388.30, 6,054.45 and 3,129.56 is: 4,317.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,388.30 : 6,054.45 = 3,129.56 : x
  2. Step 2: Convert to fraction form
    4,388.30/6,054.45 = 3,129.56/x
  3. Step 3: Cross multiply
    4,388.30x = 6,054.45 × 3,129.56
  4. Step 4: Simplify right side
    4,388.30x = 18,947,764.54
  5. Step 5: Solve for x
    x = 18,947,764.54/4,388.30
  6. Step 6: Final answer
    x = 4,317.79

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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.