Home / 7,381.21-11,069.40-2,449.52

Finding the Fourth Proportional to 7,381.21, 11,069.40 and 2,449.52

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Solution

The fourth proportional to 7,381.21, 11,069.40 and 2,449.52 is: 3,673.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,381.21 : 11,069.40 = 2,449.52 : x
  2. Step 2: Convert to fraction form
    7,381.21/11,069.40 = 2,449.52/x
  3. Step 3: Cross multiply
    7,381.21x = 11,069.40 × 2,449.52
  4. Step 4: Simplify right side
    7,381.21x = 27,114,716.69
  5. Step 5: Solve for x
    x = 27,114,716.69/7,381.21
  6. Step 6: Final answer
    x = 3,673.48

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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.