Home / 8,208.82-12,318.09-3,018.34

Finding the Fourth Proportional to 8,208.82, 12,318.09 and 3,018.34

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Solution

The fourth proportional to 8,208.82, 12,318.09 and 3,018.34 is: 4,529.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,208.82 : 12,318.09 = 3,018.34 : x
  2. Step 2: Convert to fraction form
    8,208.82/12,318.09 = 3,018.34/x
  3. Step 3: Cross multiply
    8,208.82x = 12,318.09 × 3,018.34
  4. Step 4: Simplify right side
    8,208.82x = 37,180,183.77
  5. Step 5: Solve for x
    x = 37,180,183.77/8,208.82
  6. Step 6: Final answer
    x = 4,529.30

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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.