Home / 7,161.42-10,742.19-2,230.86

Finding the Fourth Proportional to 7,161.42, 10,742.19 and 2,230.86

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Solution

The fourth proportional to 7,161.42, 10,742.19 and 2,230.86 is: 3,346.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,161.42 : 10,742.19 = 2,230.86 : x
  2. Step 2: Convert to fraction form
    7,161.42/10,742.19 = 2,230.86/x
  3. Step 3: Cross multiply
    7,161.42x = 10,742.19 × 2,230.86
  4. Step 4: Simplify right side
    7,161.42x = 23,964,321.98
  5. Step 5: Solve for x
    x = 23,964,321.98/7,161.42
  6. Step 6: Final answer
    x = 3,346.31

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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.