Home / 5,717.18-8,578.20-3,081.62

Finding the Fourth Proportional to 5,717.18, 8,578.20 and 3,081.62

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Solution

The fourth proportional to 5,717.18, 8,578.20 and 3,081.62 is: 4,623.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,717.18 : 8,578.20 = 3,081.62 : x
  2. Step 2: Convert to fraction form
    5,717.18/8,578.20 = 3,081.62/x
  3. Step 3: Cross multiply
    5,717.18x = 8,578.20 × 3,081.62
  4. Step 4: Simplify right side
    5,717.18x = 26,434,752.68
  5. Step 5: Solve for x
    x = 26,434,752.68/5,717.18
  6. Step 6: Final answer
    x = 4,623.74

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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.