Home / 8,148.90-11,245.44-4,422.90

Finding the Fourth Proportional to 8,148.90, 11,245.44 and 4,422.90

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Solution

The fourth proportional to 8,148.90, 11,245.44 and 4,422.90 is: 6,103.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,148.90 : 11,245.44 = 4,422.90 : x
  2. Step 2: Convert to fraction form
    8,148.90/11,245.44 = 4,422.90/x
  3. Step 3: Cross multiply
    8,148.90x = 11,245.44 × 4,422.90
  4. Step 4: Simplify right side
    8,148.90x = 49,737,456.58
  5. Step 5: Solve for x
    x = 49,737,456.58/8,148.90
  6. Step 6: Final answer
    x = 6,103.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.