Home / 6,780.98-10,171.83-2,104.22

Finding the Fourth Proportional to 6,780.98, 10,171.83 and 2,104.22

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Solution

The fourth proportional to 6,780.98, 10,171.83 and 2,104.22 is: 3,156.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,780.98 : 10,171.83 = 2,104.22 : x
  2. Step 2: Convert to fraction form
    6,780.98/10,171.83 = 2,104.22/x
  3. Step 3: Cross multiply
    6,780.98x = 10,171.83 × 2,104.22
  4. Step 4: Simplify right side
    6,780.98x = 21,403,768.12
  5. Step 5: Solve for x
    x = 21,403,768.12/6,780.98
  6. Step 6: Final answer
    x = 3,156.44

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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.