Home / 8,975.60-13,456.92-3,778.64

Finding the Fourth Proportional to 8,975.60, 13,456.92 and 3,778.64

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Solution

The fourth proportional to 8,975.60, 13,456.92 and 3,778.64 is: 5,665.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,975.60 : 13,456.92 = 3,778.64 : x
  2. Step 2: Convert to fraction form
    8,975.60/13,456.92 = 3,778.64/x
  3. Step 3: Cross multiply
    8,975.60x = 13,456.92 × 3,778.64
  4. Step 4: Simplify right side
    8,975.60x = 50,848,856.19
  5. Step 5: Solve for x
    x = 50,848,856.19/8,975.60
  6. Step 6: Final answer
    x = 5,665.23

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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.