Home / 8,046.21-12,073.42-3,889.78

Finding the Fourth Proportional to 8,046.21, 12,073.42 and 3,889.78

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Solution

The fourth proportional to 8,046.21, 12,073.42 and 3,889.78 is: 5,836.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,046.21 : 12,073.42 = 3,889.78 : x
  2. Step 2: Convert to fraction form
    8,046.21/12,073.42 = 3,889.78/x
  3. Step 3: Cross multiply
    8,046.21x = 12,073.42 × 3,889.78
  4. Step 4: Simplify right side
    8,046.21x = 46,962,907.74
  5. Step 5: Solve for x
    x = 46,962,907.74/8,046.21
  6. Step 6: Final answer
    x = 5,836.65

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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.