Home / 7,192.96-10,790.03-1,998.85

Finding the Fourth Proportional to 7,192.96, 10,790.03 and 1,998.85

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Solution

The fourth proportional to 7,192.96, 10,790.03 and 1,998.85 is: 2,998.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,192.96 : 10,790.03 = 1,998.85 : x
  2. Step 2: Convert to fraction form
    7,192.96/10,790.03 = 1,998.85/x
  3. Step 3: Cross multiply
    7,192.96x = 10,790.03 × 1,998.85
  4. Step 4: Simplify right side
    7,192.96x = 21,567,651.47
  5. Step 5: Solve for x
    x = 21,567,651.47/7,192.96
  6. Step 6: Final answer
    x = 2,998.44

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Half scale
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Double scale
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Similar ratio
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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.