Home / 6,786.35-10,179.53-1,855.62

Finding the Fourth Proportional to 6,786.35, 10,179.53 and 1,855.62

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Solution

The fourth proportional to 6,786.35, 10,179.53 and 1,855.62 is: 2,783.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,786.35 : 10,179.53 = 1,855.62 : x
  2. Step 2: Convert to fraction form
    6,786.35/10,179.53 = 1,855.62/x
  3. Step 3: Cross multiply
    6,786.35x = 10,179.53 × 1,855.62
  4. Step 4: Simplify right side
    6,786.35x = 18,889,330.18
  5. Step 5: Solve for x
    x = 18,889,330.18/6,786.35
  6. Step 6: Final answer
    x = 2,783.43

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Similar ratio
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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.