Home / 7,489.85-11,236.42-2,225.29

Finding the Fourth Proportional to 7,489.85, 11,236.42 and 2,225.29

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Solution

The fourth proportional to 7,489.85, 11,236.42 and 2,225.29 is: 3,338.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,489.85 : 11,236.42 = 2,225.29 : x
  2. Step 2: Convert to fraction form
    7,489.85/11,236.42 = 2,225.29/x
  3. Step 3: Cross multiply
    7,489.85x = 11,236.42 × 2,225.29
  4. Step 4: Simplify right side
    7,489.85x = 25,004,293.06
  5. Step 5: Solve for x
    x = 25,004,293.06/7,489.85
  6. Step 6: Final answer
    x = 3,338.42

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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.