Home / 6,912.92-10,367.25-1,981.24

Finding the Fourth Proportional to 6,912.92, 10,367.25 and 1,981.24

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Solution

The fourth proportional to 6,912.92, 10,367.25 and 1,981.24 is: 2,971.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,912.92 : 10,367.25 = 1,981.24 : x
  2. Step 2: Convert to fraction form
    6,912.92/10,367.25 = 1,981.24/x
  3. Step 3: Cross multiply
    6,912.92x = 10,367.25 × 1,981.24
  4. Step 4: Simplify right side
    6,912.92x = 20,540,010.39
  5. Step 5: Solve for x
    x = 20,540,010.39/6,912.92
  6. Step 6: Final answer
    x = 2,971.25

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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.