Home / 8,149.50-11,246.87-4,612.73

Finding the Fourth Proportional to 8,149.50, 11,246.87 and 4,612.73

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Solution

The fourth proportional to 8,149.50, 11,246.87 and 4,612.73 is: 6,365.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,149.50 : 11,246.87 = 4,612.73 : x
  2. Step 2: Convert to fraction form
    8,149.50/11,246.87 = 4,612.73/x
  3. Step 3: Cross multiply
    8,149.50x = 11,246.87 × 4,612.73
  4. Step 4: Simplify right side
    8,149.50x = 51,878,729.95
  5. Step 5: Solve for x
    x = 51,878,729.95/8,149.50
  6. Step 6: Final answer
    x = 6,365.88

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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.