Home / 6,902.22-10,353.81-1,971.66

Finding the Fourth Proportional to 6,902.22, 10,353.81 and 1,971.66

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Solution

The fourth proportional to 6,902.22, 10,353.81 and 1,971.66 is: 2,957.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,902.22 : 10,353.81 = 1,971.66 : x
  2. Step 2: Convert to fraction form
    6,902.22/10,353.81 = 1,971.66/x
  3. Step 3: Cross multiply
    6,902.22x = 10,353.81 × 1,971.66
  4. Step 4: Simplify right side
    6,902.22x = 20,414,193.02
  5. Step 5: Solve for x
    x = 20,414,193.02/6,902.22
  6. Step 6: Final answer
    x = 2,957.63

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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.