Home / 9,197.09-13,784.78-3,930.56

Finding the Fourth Proportional to 9,197.09, 13,784.78 and 3,930.56

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Solution

The fourth proportional to 9,197.09, 13,784.78 and 3,930.56 is: 5,891.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,197.09 : 13,784.78 = 3,930.56 : x
  2. Step 2: Convert to fraction form
    9,197.09/13,784.78 = 3,930.56/x
  3. Step 3: Cross multiply
    9,197.09x = 13,784.78 × 3,930.56
  4. Step 4: Simplify right side
    9,197.09x = 54,181,816.30
  5. Step 5: Solve for x
    x = 54,181,816.30/9,197.09
  6. Step 6: Final answer
    x = 5,891.19

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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.