Home / 6,808.38-10,212.29-1,877.89

Finding the Fourth Proportional to 6,808.38, 10,212.29 and 1,877.89

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Solution

The fourth proportional to 6,808.38, 10,212.29 and 1,877.89 is: 2,816.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,808.38 : 10,212.29 = 1,877.89 : x
  2. Step 2: Convert to fraction form
    6,808.38/10,212.29 = 1,877.89/x
  3. Step 3: Cross multiply
    6,808.38x = 10,212.29 × 1,877.89
  4. Step 4: Simplify right side
    6,808.38x = 19,177,522.35
  5. Step 5: Solve for x
    x = 19,177,522.35/6,808.38
  6. Step 6: Final answer
    x = 2,816.75

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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.