Home / 8,054.24-12,079.96-2,209.80

Finding the Fourth Proportional to 8,054.24, 12,079.96 and 2,209.80

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Solution

The fourth proportional to 8,054.24, 12,079.96 and 2,209.80 is: 3,314.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,054.24 : 12,079.96 = 2,209.80 : x
  2. Step 2: Convert to fraction form
    8,054.24/12,079.96 = 2,209.80/x
  3. Step 3: Cross multiply
    8,054.24x = 12,079.96 × 2,209.80
  4. Step 4: Simplify right side
    8,054.24x = 26,694,295.61
  5. Step 5: Solve for x
    x = 26,694,295.61/8,054.24
  6. Step 6: Final answer
    x = 3,314.32

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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.