Home / 7,429.75-11,144.37-2,499.28

Finding the Fourth Proportional to 7,429.75, 11,144.37 and 2,499.28

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Solution

The fourth proportional to 7,429.75, 11,144.37 and 2,499.28 is: 3,748.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,429.75 : 11,144.37 = 2,499.28 : x
  2. Step 2: Convert to fraction form
    7,429.75/11,144.37 = 2,499.28/x
  3. Step 3: Cross multiply
    7,429.75x = 11,144.37 × 2,499.28
  4. Step 4: Simplify right side
    7,429.75x = 27,852,901.05
  5. Step 5: Solve for x
    x = 27,852,901.05/7,429.75
  6. Step 6: Final answer
    x = 3,748.83

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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.