Home / 7,489.89-11,241.75-3,794.72

Finding the Fourth Proportional to 7,489.89, 11,241.75 and 3,794.72

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Solution

The fourth proportional to 7,489.89, 11,241.75 and 3,794.72 is: 5,695.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,489.89 : 11,241.75 = 3,794.72 : x
  2. Step 2: Convert to fraction form
    7,489.89/11,241.75 = 3,794.72/x
  3. Step 3: Cross multiply
    7,489.89x = 11,241.75 × 3,794.72
  4. Step 4: Simplify right side
    7,489.89x = 42,659,237.35
  5. Step 5: Solve for x
    x = 42,659,237.35/7,489.89
  6. Step 6: Final answer
    x = 5,695.58

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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.