Home / 7,161.05-10,740.33-1,896.09

Finding the Fourth Proportional to 7,161.05, 10,740.33 and 1,896.09

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Solution

The fourth proportional to 7,161.05, 10,740.33 and 1,896.09 is: 2,843.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,161.05 : 10,740.33 = 1,896.09 : x
  2. Step 2: Convert to fraction form
    7,161.05/10,740.33 = 1,896.09/x
  3. Step 3: Cross multiply
    7,161.05x = 10,740.33 × 1,896.09
  4. Step 4: Simplify right side
    7,161.05x = 20,364,632.31
  5. Step 5: Solve for x
    x = 20,364,632.31/7,161.05
  6. Step 6: Final answer
    x = 2,843.81

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1.5x scale

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.