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Finding the Fourth Proportional to 8,591.73, 12,880.16 and 3,844.25

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Solution

The fourth proportional to 8,591.73, 12,880.16 and 3,844.25 is: 5,763.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,591.73 : 12,880.16 = 3,844.25 : x
  2. Step 2: Convert to fraction form
    8,591.73/12,880.16 = 3,844.25/x
  3. Step 3: Cross multiply
    8,591.73x = 12,880.16 × 3,844.25
  4. Step 4: Simplify right side
    8,591.73x = 49,514,555.08
  5. Step 5: Solve for x
    x = 49,514,555.08/8,591.73
  6. Step 6: Final answer
    x = 5,763.05

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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.