Home / 6,669.79-9,997.86-3,372.89

Finding the Fourth Proportional to 6,669.79, 9,997.86 and 3,372.89

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Solution

The fourth proportional to 6,669.79, 9,997.86 and 3,372.89 is: 5,055.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,669.79 : 9,997.86 = 3,372.89 : x
  2. Step 2: Convert to fraction form
    6,669.79/9,997.86 = 3,372.89/x
  3. Step 3: Cross multiply
    6,669.79x = 9,997.86 × 3,372.89
  4. Step 4: Simplify right side
    6,669.79x = 33,721,682.02
  5. Step 5: Solve for x
    x = 33,721,682.02/6,669.79
  6. Step 6: Final answer
    x = 5,055.88

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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.