Home / 8,162.43-12,238.86-2,612.92

Finding the Fourth Proportional to 8,162.43, 12,238.86 and 2,612.92

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Solution

The fourth proportional to 8,162.43, 12,238.86 and 2,612.92 is: 3,917.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,162.43 : 12,238.86 = 2,612.92 : x
  2. Step 2: Convert to fraction form
    8,162.43/12,238.86 = 2,612.92/x
  3. Step 3: Cross multiply
    8,162.43x = 12,238.86 × 2,612.92
  4. Step 4: Simplify right side
    8,162.43x = 31,979,162.07
  5. Step 5: Solve for x
    x = 31,979,162.07/8,162.43
  6. Step 6: Final answer
    x = 3,917.85

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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.