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Finding the Fourth Proportional to 6,808.73, 10,213.67 and 1,878.37

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Solution

The fourth proportional to 6,808.73, 10,213.67 and 1,878.37 is: 2,817.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,808.73 : 10,213.67 = 1,878.37 : x
  2. Step 2: Convert to fraction form
    6,808.73/10,213.67 = 1,878.37/x
  3. Step 3: Cross multiply
    6,808.73x = 10,213.67 × 1,878.37
  4. Step 4: Simplify right side
    6,808.73x = 19,185,051.32
  5. Step 5: Solve for x
    x = 19,185,051.32/6,808.73
  6. Step 6: Final answer
    x = 2,817.71

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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.