Home / 8,179.50-11,287.80-4,453.50

Finding the Fourth Proportional to 8,179.50, 11,287.80 and 4,453.50

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Solution

The fourth proportional to 8,179.50, 11,287.80 and 4,453.50 is: 6,145.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,179.50 : 11,287.80 = 4,453.50 : x
  2. Step 2: Convert to fraction form
    8,179.50/11,287.80 = 4,453.50/x
  3. Step 3: Cross multiply
    8,179.50x = 11,287.80 × 4,453.50
  4. Step 4: Simplify right side
    8,179.50x = 50,270,217.30
  5. Step 5: Solve for x
    x = 50,270,217.30/8,179.50
  6. Step 6: Final answer
    x = 6,145.88

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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.