Home / 6,912.32-10,370.27-1,982.34

Finding the Fourth Proportional to 6,912.32, 10,370.27 and 1,982.34

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Solution

The fourth proportional to 6,912.32, 10,370.27 and 1,982.34 is: 2,974.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,912.32 : 10,370.27 = 1,982.34 : x
  2. Step 2: Convert to fraction form
    6,912.32/10,370.27 = 1,982.34/x
  3. Step 3: Cross multiply
    6,912.32x = 10,370.27 × 1,982.34
  4. Step 4: Simplify right side
    6,912.32x = 20,557,405.99
  5. Step 5: Solve for x
    x = 20,557,405.99/6,912.32
  6. Step 6: Final answer
    x = 2,974.03

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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.