Home / 5,086.28-7,619.52-3,749.64

Finding the Fourth Proportional to 5,086.28, 7,619.52 and 3,749.64

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Solution

The fourth proportional to 5,086.28, 7,619.52 and 3,749.64 is: 5,617.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,086.28 : 7,619.52 = 3,749.64 : x
  2. Step 2: Convert to fraction form
    5,086.28/7,619.52 = 3,749.64/x
  3. Step 3: Cross multiply
    5,086.28x = 7,619.52 × 3,749.64
  4. Step 4: Simplify right side
    5,086.28x = 28,570,456.97
  5. Step 5: Solve for x
    x = 28,570,456.97/5,086.28
  6. Step 6: Final answer
    x = 5,617.16

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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.