Home / 7,192.56-10,788.84-1,998.45

Finding the Fourth Proportional to 7,192.56, 10,788.84 and 1,998.45

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Solution

The fourth proportional to 7,192.56, 10,788.84 and 1,998.45 is: 2,997.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,192.56 : 10,788.84 = 1,998.45 : x
  2. Step 2: Convert to fraction form
    7,192.56/10,788.84 = 1,998.45/x
  3. Step 3: Cross multiply
    7,192.56x = 10,788.84 × 1,998.45
  4. Step 4: Simplify right side
    7,192.56x = 21,560,957.30
  5. Step 5: Solve for x
    x = 21,560,957.30/7,192.56
  6. Step 6: Final answer
    x = 2,997.68

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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.