Home / 6,780.70-10,171.05-1,850.84

Finding the Fourth Proportional to 6,780.70, 10,171.05 and 1,850.84

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Solution

The fourth proportional to 6,780.70, 10,171.05 and 1,850.84 is: 2,776.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,780.70 : 10,171.05 = 1,850.84 : x
  2. Step 2: Convert to fraction form
    6,780.70/10,171.05 = 1,850.84/x
  3. Step 3: Cross multiply
    6,780.70x = 10,171.05 × 1,850.84
  4. Step 4: Simplify right side
    6,780.70x = 18,824,986.18
  5. Step 5: Solve for x
    x = 18,824,986.18/6,780.70
  6. Step 6: Final answer
    x = 2,776.26

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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.