Home / 8,217.66-12,311.91-4,324.80

Finding the Fourth Proportional to 8,217.66, 12,311.91 and 4,324.80

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Solution

The fourth proportional to 8,217.66, 12,311.91 and 4,324.80 is: 6,479.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,217.66 : 12,311.91 = 4,324.80 : x
  2. Step 2: Convert to fraction form
    8,217.66/12,311.91 = 4,324.80/x
  3. Step 3: Cross multiply
    8,217.66x = 12,311.91 × 4,324.80
  4. Step 4: Simplify right side
    8,217.66x = 53,246,548.37
  5. Step 5: Solve for x
    x = 53,246,548.37/8,217.66
  6. Step 6: Final answer
    x = 6,479.53

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1.5x scale

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.