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Finding the Fourth Proportional to 8,544.76, 12,812.67 and 3,860.74

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Solution

The fourth proportional to 8,544.76, 12,812.67 and 3,860.74 is: 5,789.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,544.76 : 12,812.67 = 3,860.74 : x
  2. Step 2: Convert to fraction form
    8,544.76/12,812.67 = 3,860.74/x
  3. Step 3: Cross multiply
    8,544.76x = 12,812.67 × 3,860.74
  4. Step 4: Simplify right side
    8,544.76x = 49,466,387.58
  5. Step 5: Solve for x
    x = 49,466,387.58/8,544.76
  6. Step 6: Final answer
    x = 5,789.09

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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.