Home / 5,192.44-7,789.68-1,905.56

Finding the Fourth Proportional to 5,192.44, 7,789.68 and 1,905.56

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Solution

The fourth proportional to 5,192.44, 7,789.68 and 1,905.56 is: 2,858.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,192.44 : 7,789.68 = 1,905.56 : x
  2. Step 2: Convert to fraction form
    5,192.44/7,789.68 = 1,905.56/x
  3. Step 3: Cross multiply
    5,192.44x = 7,789.68 × 1,905.56
  4. Step 4: Simplify right side
    5,192.44x = 14,843,663.67
  5. Step 5: Solve for x
    x = 14,843,663.67/5,192.44
  6. Step 6: Final answer
    x = 2,858.71

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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.