Home / 8,191.22-12,288.04-2,995.88

Finding the Fourth Proportional to 8,191.22, 12,288.04 and 2,995.88

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Solution

The fourth proportional to 8,191.22, 12,288.04 and 2,995.88 is: 4,494.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,191.22 : 12,288.04 = 2,995.88 : x
  2. Step 2: Convert to fraction form
    8,191.22/12,288.04 = 2,995.88/x
  3. Step 3: Cross multiply
    8,191.22x = 12,288.04 × 2,995.88
  4. Step 4: Simplify right side
    8,191.22x = 36,813,424.35
  5. Step 5: Solve for x
    x = 36,813,424.35/8,191.22
  6. Step 6: Final answer
    x = 4,494.26

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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.