Home / 8,256.27-12,384.26-3,325.78

Finding the Fourth Proportional to 8,256.27, 12,384.26 and 3,325.78

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Solution

The fourth proportional to 8,256.27, 12,384.26 and 3,325.78 is: 4,988.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,256.27 : 12,384.26 = 3,325.78 : x
  2. Step 2: Convert to fraction form
    8,256.27/12,384.26 = 3,325.78/x
  3. Step 3: Cross multiply
    8,256.27x = 12,384.26 × 3,325.78
  4. Step 4: Simplify right side
    8,256.27x = 41,187,311.12
  5. Step 5: Solve for x
    x = 41,187,311.12/8,256.27
  6. Step 6: Final answer
    x = 4,988.61

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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.