Home / 5,110.74-7,663.41-3,861.72

Finding the Fourth Proportional to 5,110.74, 7,663.41 and 3,861.72

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Solution

The fourth proportional to 5,110.74, 7,663.41 and 3,861.72 is: 5,790.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,110.74 : 7,663.41 = 3,861.72 : x
  2. Step 2: Convert to fraction form
    5,110.74/7,663.41 = 3,861.72/x
  3. Step 3: Cross multiply
    5,110.74x = 7,663.41 × 3,861.72
  4. Step 4: Simplify right side
    5,110.74x = 29,593,943.67
  5. Step 5: Solve for x
    x = 29,593,943.67/5,110.74
  6. Step 6: Final answer
    x = 5,790.54

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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.