Home / 11,080.52-16,618.60-3,287.60

Finding the Fourth Proportional to 11,080.52, 16,618.60 and 3,287.60

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Solution

The fourth proportional to 11,080.52, 16,618.60 and 3,287.60 is: 4,930.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,080.52 : 16,618.60 = 3,287.60 : x
  2. Step 2: Convert to fraction form
    11,080.52/16,618.60 = 3,287.60/x
  3. Step 3: Cross multiply
    11,080.52x = 16,618.60 × 3,287.60
  4. Step 4: Simplify right side
    11,080.52x = 54,635,309.36
  5. Step 5: Solve for x
    x = 54,635,309.36/11,080.52
  6. Step 6: Final answer
    x = 4,930.75

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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.