Home / 5,051.82-7,581.19-1,764.92

Finding the Fourth Proportional to 5,051.82, 7,581.19 and 1,764.92

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Solution

The fourth proportional to 5,051.82, 7,581.19 and 1,764.92 is: 2,648.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,051.82 : 7,581.19 = 1,764.92 : x
  2. Step 2: Convert to fraction form
    5,051.82/7,581.19 = 1,764.92/x
  3. Step 3: Cross multiply
    5,051.82x = 7,581.19 × 1,764.92
  4. Step 4: Simplify right side
    5,051.82x = 13,380,193.85
  5. Step 5: Solve for x
    x = 13,380,193.85/5,051.82
  6. Step 6: Final answer
    x = 2,648.59

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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.