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Finding the Fourth Proportional to 8,179.59, 11,287.84 and 4,453.59

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Solution

The fourth proportional to 8,179.59, 11,287.84 and 4,453.59 is: 6,145.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,179.59 : 11,287.84 = 4,453.59 : x
  2. Step 2: Convert to fraction form
    8,179.59/11,287.84 = 4,453.59/x
  3. Step 3: Cross multiply
    8,179.59x = 11,287.84 × 4,453.59
  4. Step 4: Simplify right side
    8,179.59x = 50,271,411.35
  5. Step 5: Solve for x
    x = 50,271,411.35/8,179.59
  6. Step 6: Final answer
    x = 6,145.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.