Home / 8,079.64-12,119.62-2,236.44

Finding the Fourth Proportional to 8,079.64, 12,119.62 and 2,236.44

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Solution

The fourth proportional to 8,079.64, 12,119.62 and 2,236.44 is: 3,354.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,079.64 : 12,119.62 = 2,236.44 : x
  2. Step 2: Convert to fraction form
    8,079.64/12,119.62 = 2,236.44/x
  3. Step 3: Cross multiply
    8,079.64x = 12,119.62 × 2,236.44
  4. Step 4: Simplify right side
    8,079.64x = 27,104,802.95
  5. Step 5: Solve for x
    x = 27,104,802.95/8,079.64
  6. Step 6: Final answer
    x = 3,354.70

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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.