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Finding the Fourth Proportional to 8,011.58, 12,012.71 and 3,849.73

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Solution

The fourth proportional to 8,011.58, 12,012.71 and 3,849.73 is: 5,772.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,011.58 : 12,012.71 = 3,849.73 : x
  2. Step 2: Convert to fraction form
    8,011.58/12,012.71 = 3,849.73/x
  3. Step 3: Cross multiply
    8,011.58x = 12,012.71 × 3,849.73
  4. Step 4: Simplify right side
    8,011.58x = 46,245,640.79
  5. Step 5: Solve for x
    x = 46,245,640.79/8,011.58
  6. Step 6: Final answer
    x = 5,772.35

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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.