Home / 7,358.39-11,037.62-1,811.87

Finding the Fourth Proportional to 7,358.39, 11,037.62 and 1,811.87

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Solution

The fourth proportional to 7,358.39, 11,037.62 and 1,811.87 is: 2,717.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,358.39 : 11,037.62 = 1,811.87 : x
  2. Step 2: Convert to fraction form
    7,358.39/11,037.62 = 1,811.87/x
  3. Step 3: Cross multiply
    7,358.39x = 11,037.62 × 1,811.87
  4. Step 4: Simplify right side
    7,358.39x = 19,998,713.09
  5. Step 5: Solve for x
    x = 19,998,713.09/7,358.39
  6. Step 6: Final answer
    x = 2,717.81

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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.