Home / 6,912.72-10,370.10-2,231.19

Finding the Fourth Proportional to 6,912.72, 10,370.10 and 2,231.19

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Solution

The fourth proportional to 6,912.72, 10,370.10 and 2,231.19 is: 3,347.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,912.72 : 10,370.10 = 2,231.19 : x
  2. Step 2: Convert to fraction form
    6,912.72/10,370.10 = 2,231.19/x
  3. Step 3: Cross multiply
    6,912.72x = 10,370.10 × 2,231.19
  4. Step 4: Simplify right side
    6,912.72x = 23,137,611.57
  5. Step 5: Solve for x
    x = 23,137,611.57/6,912.72
  6. Step 6: Final answer
    x = 3,347.11

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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.