Home / 7,162.08-10,742.94-2,231.70

Finding the Fourth Proportional to 7,162.08, 10,742.94 and 2,231.70

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Solution

The fourth proportional to 7,162.08, 10,742.94 and 2,231.70 is: 3,347.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,162.08 : 10,742.94 = 2,231.70 : x
  2. Step 2: Convert to fraction form
    7,162.08/10,742.94 = 2,231.70/x
  3. Step 3: Cross multiply
    7,162.08x = 10,742.94 × 2,231.70
  4. Step 4: Simplify right side
    7,162.08x = 23,975,019.20
  5. Step 5: Solve for x
    x = 23,975,019.20/7,162.08
  6. Step 6: Final answer
    x = 3,347.49

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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.