Home / 8,162.27-12,235.64-2,612.04

Finding the Fourth Proportional to 8,162.27, 12,235.64 and 2,612.04

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Solution

The fourth proportional to 8,162.27, 12,235.64 and 2,612.04 is: 3,915.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,162.27 : 12,235.64 = 2,612.04 : x
  2. Step 2: Convert to fraction form
    8,162.27/12,235.64 = 2,612.04/x
  3. Step 3: Cross multiply
    8,162.27x = 12,235.64 × 2,612.04
  4. Step 4: Simplify right side
    8,162.27x = 31,959,919.93
  5. Step 5: Solve for x
    x = 31,959,919.93/8,162.27
  6. Step 6: Final answer
    x = 3,915.57

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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.