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Finding the Fourth Proportional to 6,808.17, 10,211.01 and 1,876.75

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Solution

The fourth proportional to 6,808.17, 10,211.01 and 1,876.75 is: 2,814.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,808.17 : 10,211.01 = 1,876.75 : x
  2. Step 2: Convert to fraction form
    6,808.17/10,211.01 = 1,876.75/x
  3. Step 3: Cross multiply
    6,808.17x = 10,211.01 × 1,876.75
  4. Step 4: Simplify right side
    6,808.17x = 19,163,513.02
  5. Step 5: Solve for x
    x = 19,163,513.02/6,808.17
  6. Step 6: Final answer
    x = 2,814.78

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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.