Home / 5,786.24-8,679.41-1,403.74

Finding the Fourth Proportional to 5,786.24, 8,679.41 and 1,403.74

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Solution

The fourth proportional to 5,786.24, 8,679.41 and 1,403.74 is: 2,105.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,786.24 : 8,679.41 = 1,403.74 : x
  2. Step 2: Convert to fraction form
    5,786.24/8,679.41 = 1,403.74/x
  3. Step 3: Cross multiply
    5,786.24x = 8,679.41 × 1,403.74
  4. Step 4: Simplify right side
    5,786.24x = 12,183,616.80
  5. Step 5: Solve for x
    x = 12,183,616.80/5,786.24
  6. Step 6: Final answer
    x = 2,105.62

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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.