Home / 7,222.12-9,952.26-5,122.60

Finding the Fourth Proportional to 7,222.12, 9,952.26 and 5,122.60

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Solution

The fourth proportional to 7,222.12, 9,952.26 and 5,122.60 is: 7,059.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,222.12 : 9,952.26 = 5,122.60 : x
  2. Step 2: Convert to fraction form
    7,222.12/9,952.26 = 5,122.60/x
  3. Step 3: Cross multiply
    7,222.12x = 9,952.26 × 5,122.60
  4. Step 4: Simplify right side
    7,222.12x = 50,981,447.08
  5. Step 5: Solve for x
    x = 50,981,447.08/7,222.12
  6. Step 6: Final answer
    x = 7,059.07

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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.