Home / 8,005.32-12,004.13-3,785.05

Finding the Fourth Proportional to 8,005.32, 12,004.13 and 3,785.05

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Solution

The fourth proportional to 8,005.32, 12,004.13 and 3,785.05 is: 5,675.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,005.32 : 12,004.13 = 3,785.05 : x
  2. Step 2: Convert to fraction form
    8,005.32/12,004.13 = 3,785.05/x
  3. Step 3: Cross multiply
    8,005.32x = 12,004.13 × 3,785.05
  4. Step 4: Simplify right side
    8,005.32x = 45,436,257.52
  5. Step 5: Solve for x
    x = 45,436,257.52/8,005.32
  6. Step 6: Final answer
    x = 5,675.76

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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.