Home / 6,872.06-10,308.89-2,190.44

Finding the Fourth Proportional to 6,872.06, 10,308.89 and 2,190.44

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Solution

The fourth proportional to 6,872.06, 10,308.89 and 2,190.44 is: 3,285.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,872.06 : 10,308.89 = 2,190.44 : x
  2. Step 2: Convert to fraction form
    6,872.06/10,308.89 = 2,190.44/x
  3. Step 3: Cross multiply
    6,872.06x = 10,308.89 × 2,190.44
  4. Step 4: Simplify right side
    6,872.06x = 22,581,005.01
  5. Step 5: Solve for x
    x = 22,581,005.01/6,872.06
  6. Step 6: Final answer
    x = 3,285.91

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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.