Home / 6,813.79-10,213.54-3,811.03

Finding the Fourth Proportional to 6,813.79, 10,213.54 and 3,811.03

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Solution

The fourth proportional to 6,813.79, 10,213.54 and 3,811.03 is: 5,712.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,813.79 : 10,213.54 = 3,811.03 : x
  2. Step 2: Convert to fraction form
    6,813.79/10,213.54 = 3,811.03/x
  3. Step 3: Cross multiply
    6,813.79x = 10,213.54 × 3,811.03
  4. Step 4: Simplify right side
    6,813.79x = 38,924,072.28
  5. Step 5: Solve for x
    x = 38,924,072.28/6,813.79
  6. Step 6: Final answer
    x = 5,712.55

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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.