Home / 7,192.12-10,789.44-3,496.90

Finding the Fourth Proportional to 7,192.12, 10,789.44 and 3,496.90

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Solution

The fourth proportional to 7,192.12, 10,789.44 and 3,496.90 is: 5,245.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,192.12 : 10,789.44 = 3,496.90 : x
  2. Step 2: Convert to fraction form
    7,192.12/10,789.44 = 3,496.90/x
  3. Step 3: Cross multiply
    7,192.12x = 10,789.44 × 3,496.90
  4. Step 4: Simplify right side
    7,192.12x = 37,729,592.74
  5. Step 5: Solve for x
    x = 37,729,592.74/7,192.12
  6. Step 6: Final answer
    x = 5,245.96

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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.