Home / 8,705.62-13,056.21-3,367.72

Finding the Fourth Proportional to 8,705.62, 13,056.21 and 3,367.72

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Solution

The fourth proportional to 8,705.62, 13,056.21 and 3,367.72 is: 5,050.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,705.62 : 13,056.21 = 3,367.72 : x
  2. Step 2: Convert to fraction form
    8,705.62/13,056.21 = 3,367.72/x
  3. Step 3: Cross multiply
    8,705.62x = 13,056.21 × 3,367.72
  4. Step 4: Simplify right side
    8,705.62x = 43,969,659.54
  5. Step 5: Solve for x
    x = 43,969,659.54/8,705.62
  6. Step 6: Final answer
    x = 5,050.72

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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.