Home / 6,781.94-10,173.99-2,101.76

Finding the Fourth Proportional to 6,781.94, 10,173.99 and 2,101.76

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Solution

The fourth proportional to 6,781.94, 10,173.99 and 2,101.76 is: 3,152.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,781.94 : 10,173.99 = 2,101.76 : x
  2. Step 2: Convert to fraction form
    6,781.94/10,173.99 = 2,101.76/x
  3. Step 3: Cross multiply
    6,781.94x = 10,173.99 × 2,101.76
  4. Step 4: Simplify right side
    6,781.94x = 21,383,285.22
  5. Step 5: Solve for x
    x = 21,383,285.22/6,781.94
  6. Step 6: Final answer
    x = 3,152.97

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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.