Home / 8,208.12-12,310.94-2,661.64

Finding the Fourth Proportional to 8,208.12, 12,310.94 and 2,661.64

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Solution

The fourth proportional to 8,208.12, 12,310.94 and 2,661.64 is: 3,992.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,208.12 : 12,310.94 = 2,661.64 : x
  2. Step 2: Convert to fraction form
    8,208.12/12,310.94 = 2,661.64/x
  3. Step 3: Cross multiply
    8,208.12x = 12,310.94 × 2,661.64
  4. Step 4: Simplify right side
    8,208.12x = 32,767,290.34
  5. Step 5: Solve for x
    x = 32,767,290.34/8,208.12
  6. Step 6: Final answer
    x = 3,992.06

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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.