Home / 7,161.45-10,739.31-2,229.58

Finding the Fourth Proportional to 7,161.45, 10,739.31 and 2,229.58

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Solution

The fourth proportional to 7,161.45, 10,739.31 and 2,229.58 is: 3,343.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,161.45 : 10,739.31 = 2,229.58 : x
  2. Step 2: Convert to fraction form
    7,161.45/10,739.31 = 2,229.58/x
  3. Step 3: Cross multiply
    7,161.45x = 10,739.31 × 2,229.58
  4. Step 4: Simplify right side
    7,161.45x = 23,944,150.79
  5. Step 5: Solve for x
    x = 23,944,150.79/7,161.45
  6. Step 6: Final answer
    x = 3,343.48

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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.