Home / 8,785.08-13,171.21-3,238.54

Finding the Fourth Proportional to 8,785.08, 13,171.21 and 3,238.54

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Solution

The fourth proportional to 8,785.08, 13,171.21 and 3,238.54 is: 4,855.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,785.08 : 13,171.21 = 3,238.54 : x
  2. Step 2: Convert to fraction form
    8,785.08/13,171.21 = 3,238.54/x
  3. Step 3: Cross multiply
    8,785.08x = 13,171.21 × 3,238.54
  4. Step 4: Simplify right side
    8,785.08x = 42,655,449.41
  5. Step 5: Solve for x
    x = 42,655,449.41/8,785.08
  6. Step 6: Final answer
    x = 4,855.44

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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.