Home / 8,079.27-12,124.44-3,148.95

Finding the Fourth Proportional to 8,079.27, 12,124.44 and 3,148.95

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Solution

The fourth proportional to 8,079.27, 12,124.44 and 3,148.95 is: 4,725.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,079.27 : 12,124.44 = 3,148.95 : x
  2. Step 2: Convert to fraction form
    8,079.27/12,124.44 = 3,148.95/x
  3. Step 3: Cross multiply
    8,079.27x = 12,124.44 × 3,148.95
  4. Step 4: Simplify right side
    8,079.27x = 38,179,255.34
  5. Step 5: Solve for x
    x = 38,179,255.34/8,079.27
  6. Step 6: Final answer
    x = 4,725.58

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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.