Home / 8,170.52-12,261.24-2,976.39

Finding the Fourth Proportional to 8,170.52, 12,261.24 and 2,976.39

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Solution

The fourth proportional to 8,170.52, 12,261.24 and 2,976.39 is: 4,466.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,170.52 : 12,261.24 = 2,976.39 : x
  2. Step 2: Convert to fraction form
    8,170.52/12,261.24 = 2,976.39/x
  3. Step 3: Cross multiply
    8,170.52x = 12,261.24 × 2,976.39
  4. Step 4: Simplify right side
    8,170.52x = 36,494,232.12
  5. Step 5: Solve for x
    x = 36,494,232.12/8,170.52
  6. Step 6: Final answer
    x = 4,466.58

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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.