Home / 6,528.92-9,794.56-2,147.60

Finding the Fourth Proportional to 6,528.92, 9,794.56 and 2,147.60

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Solution

The fourth proportional to 6,528.92, 9,794.56 and 2,147.60 is: 3,221.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,528.92 : 9,794.56 = 2,147.60 : x
  2. Step 2: Convert to fraction form
    6,528.92/9,794.56 = 2,147.60/x
  3. Step 3: Cross multiply
    6,528.92x = 9,794.56 × 2,147.60
  4. Step 4: Simplify right side
    6,528.92x = 21,034,797.06
  5. Step 5: Solve for x
    x = 21,034,797.06/6,528.92
  6. Step 6: Final answer
    x = 3,221.79

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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.