Home / 6,644.52-9,170.27-3,991.37

Finding the Fourth Proportional to 6,644.52, 9,170.27 and 3,991.37

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Solution

The fourth proportional to 6,644.52, 9,170.27 and 3,991.37 is: 5,508.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,644.52 : 9,170.27 = 3,991.37 : x
  2. Step 2: Convert to fraction form
    6,644.52/9,170.27 = 3,991.37/x
  3. Step 3: Cross multiply
    6,644.52x = 9,170.27 × 3,991.37
  4. Step 4: Simplify right side
    6,644.52x = 36,601,874.76
  5. Step 5: Solve for x
    x = 36,601,874.76/6,644.52
  6. Step 6: Final answer
    x = 5,508.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.