Home / 7,163.36-10,741.12-2,231.68

Finding the Fourth Proportional to 7,163.36, 10,741.12 and 2,231.68

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Solution

The fourth proportional to 7,163.36, 10,741.12 and 2,231.68 is: 3,346.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,163.36 : 10,741.12 = 2,231.68 : x
  2. Step 2: Convert to fraction form
    7,163.36/10,741.12 = 2,231.68/x
  3. Step 3: Cross multiply
    7,163.36x = 10,741.12 × 2,231.68
  4. Step 4: Simplify right side
    7,163.36x = 23,970,742.68
  5. Step 5: Solve for x
    x = 23,970,742.68/7,163.36
  6. Step 6: Final answer
    x = 3,346.30

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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.