Home / 5,538.44-8,309.90-2,251.80

Finding the Fourth Proportional to 5,538.44, 8,309.90 and 2,251.80

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Solution

The fourth proportional to 5,538.44, 8,309.90 and 2,251.80 is: 3,378.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,538.44 : 8,309.90 = 2,251.80 : x
  2. Step 2: Convert to fraction form
    5,538.44/8,309.90 = 2,251.80/x
  3. Step 3: Cross multiply
    5,538.44x = 8,309.90 × 2,251.80
  4. Step 4: Simplify right side
    5,538.44x = 18,712,232.82
  5. Step 5: Solve for x
    x = 18,712,232.82/5,538.44
  6. Step 6: Final answer
    x = 3,378.61

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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.