Home / 7,449.66-11,164.53-3,938.85

Finding the Fourth Proportional to 7,449.66, 11,164.53 and 3,938.85

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Solution

The fourth proportional to 7,449.66, 11,164.53 and 3,938.85 is: 5,903.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,449.66 : 11,164.53 = 3,938.85 : x
  2. Step 2: Convert to fraction form
    7,449.66/11,164.53 = 3,938.85/x
  3. Step 3: Cross multiply
    7,449.66x = 11,164.53 × 3,938.85
  4. Step 4: Simplify right side
    7,449.66x = 43,975,408.99
  5. Step 5: Solve for x
    x = 43,975,408.99/7,449.66
  6. Step 6: Final answer
    x = 5,903.01

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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.