Home / 8,433.92-12,649.52-3,238.56

Finding the Fourth Proportional to 8,433.92, 12,649.52 and 3,238.56

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Solution

The fourth proportional to 8,433.92, 12,649.52 and 3,238.56 is: 4,857.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,433.92 : 12,649.52 = 3,238.56 : x
  2. Step 2: Convert to fraction form
    8,433.92/12,649.52 = 3,238.56/x
  3. Step 3: Cross multiply
    8,433.92x = 12,649.52 × 3,238.56
  4. Step 4: Simplify right side
    8,433.92x = 40,966,229.49
  5. Step 5: Solve for x
    x = 40,966,229.49/8,433.92
  6. Step 6: Final answer
    x = 4,857.32

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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.