Home / 8,071.24-12,107.82-3,453.64

Finding the Fourth Proportional to 8,071.24, 12,107.82 and 3,453.64

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Solution

The fourth proportional to 8,071.24, 12,107.82 and 3,453.64 is: 5,180.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,071.24 : 12,107.82 = 3,453.64 : x
  2. Step 2: Convert to fraction form
    8,071.24/12,107.82 = 3,453.64/x
  3. Step 3: Cross multiply
    8,071.24x = 12,107.82 × 3,453.64
  4. Step 4: Simplify right side
    8,071.24x = 41,816,051.46
  5. Step 5: Solve for x
    x = 41,816,051.46/8,071.24
  6. Step 6: Final answer
    x = 5,180.87

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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.