Home / 7,122.82-10,683.92-2,192.96

Finding the Fourth Proportional to 7,122.82, 10,683.92 and 2,192.96

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Solution

The fourth proportional to 7,122.82, 10,683.92 and 2,192.96 is: 3,289.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,122.82 : 10,683.92 = 2,192.96 : x
  2. Step 2: Convert to fraction form
    7,122.82/10,683.92 = 2,192.96/x
  3. Step 3: Cross multiply
    7,122.82x = 10,683.92 × 2,192.96
  4. Step 4: Simplify right side
    7,122.82x = 23,429,409.20
  5. Step 5: Solve for x
    x = 23,429,409.20/7,122.82
  6. Step 6: Final answer
    x = 3,289.34

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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.