Home / 8,247.57-12,372.93-3,317.61

Finding the Fourth Proportional to 8,247.57, 12,372.93 and 3,317.61

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Solution

The fourth proportional to 8,247.57, 12,372.93 and 3,317.61 is: 4,977.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,247.57 : 12,372.93 = 3,317.61 : x
  2. Step 2: Convert to fraction form
    8,247.57/12,372.93 = 3,317.61/x
  3. Step 3: Cross multiply
    8,247.57x = 12,372.93 × 3,317.61
  4. Step 4: Simplify right side
    8,247.57x = 41,048,556.30
  5. Step 5: Solve for x
    x = 41,048,556.30/8,247.57
  6. Step 6: Final answer
    x = 4,977.05

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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.