Home / 6,921.72-10,383.62-2,240.17

Finding the Fourth Proportional to 6,921.72, 10,383.62 and 2,240.17

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Solution

The fourth proportional to 6,921.72, 10,383.62 and 2,240.17 is: 3,360.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,921.72 : 10,383.62 = 2,240.17 : x
  2. Step 2: Convert to fraction form
    6,921.72/10,383.62 = 2,240.17/x
  3. Step 3: Cross multiply
    6,921.72x = 10,383.62 × 2,240.17
  4. Step 4: Simplify right side
    6,921.72x = 23,261,074.02
  5. Step 5: Solve for x
    x = 23,261,074.02/6,921.72
  6. Step 6: Final answer
    x = 3,360.59

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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.