Home / 8,434.13-12,650.58-3,299.74

Finding the Fourth Proportional to 8,434.13, 12,650.58 and 3,299.74

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Solution

The fourth proportional to 8,434.13, 12,650.58 and 3,299.74 is: 4,949.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,434.13 : 12,650.58 = 3,299.74 : x
  2. Step 2: Convert to fraction form
    8,434.13/12,650.58 = 3,299.74/x
  3. Step 3: Cross multiply
    8,434.13x = 12,650.58 × 3,299.74
  4. Step 4: Simplify right side
    8,434.13x = 41,743,593.22
  5. Step 5: Solve for x
    x = 41,743,593.22/8,434.13
  6. Step 6: Final answer
    x = 4,949.37

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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.