Home / 8,281.85-12,416.09-2,731.73

Finding the Fourth Proportional to 8,281.85, 12,416.09 and 2,731.73

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Solution

The fourth proportional to 8,281.85, 12,416.09 and 2,731.73 is: 4,095.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,281.85 : 12,416.09 = 2,731.73 : x
  2. Step 2: Convert to fraction form
    8,281.85/12,416.09 = 2,731.73/x
  3. Step 3: Cross multiply
    8,281.85x = 12,416.09 × 2,731.73
  4. Step 4: Simplify right side
    8,281.85x = 33,917,329.80
  5. Step 5: Solve for x
    x = 33,917,329.80/8,281.85
  6. Step 6: Final answer
    x = 4,095.38

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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.