Home / 5,118.03-7,686.77-3,183.75

Finding the Fourth Proportional to 5,118.03, 7,686.77 and 3,183.75

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Solution

The fourth proportional to 5,118.03, 7,686.77 and 3,183.75 is: 4,781.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,118.03 : 7,686.77 = 3,183.75 : x
  2. Step 2: Convert to fraction form
    5,118.03/7,686.77 = 3,183.75/x
  3. Step 3: Cross multiply
    5,118.03x = 7,686.77 × 3,183.75
  4. Step 4: Simplify right side
    5,118.03x = 24,472,753.99
  5. Step 5: Solve for x
    x = 24,472,753.99/5,118.03
  6. Step 6: Final answer
    x = 4,781.67

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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.