Home / 7,419.92-11,129.84-3,037.37

Finding the Fourth Proportional to 7,419.92, 11,129.84 and 3,037.37

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Solution

The fourth proportional to 7,419.92, 11,129.84 and 3,037.37 is: 4,556.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,419.92 : 11,129.84 = 3,037.37 : x
  2. Step 2: Convert to fraction form
    7,419.92/11,129.84 = 3,037.37/x
  3. Step 3: Cross multiply
    7,419.92x = 11,129.84 × 3,037.37
  4. Step 4: Simplify right side
    7,419.92x = 33,805,426.93
  5. Step 5: Solve for x
    x = 33,805,426.93/7,419.92
  6. Step 6: Final answer
    x = 4,556.04

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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.