Home / 8,365.20-12,538.26-3,976.44

Finding the Fourth Proportional to 8,365.20, 12,538.26 and 3,976.44

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Solution

The fourth proportional to 8,365.20, 12,538.26 and 3,976.44 is: 5,960.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,365.20 : 12,538.26 = 3,976.44 : x
  2. Step 2: Convert to fraction form
    8,365.20/12,538.26 = 3,976.44/x
  3. Step 3: Cross multiply
    8,365.20x = 12,538.26 × 3,976.44
  4. Step 4: Simplify right side
    8,365.20x = 49,857,638.59
  5. Step 5: Solve for x
    x = 49,857,638.59/8,365.20
  6. Step 6: Final answer
    x = 5,960.13

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1.5x scale

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.