Home / 6,665.00-10,003.66-3,380.40

Finding the Fourth Proportional to 6,665.00, 10,003.66 and 3,380.40

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Solution

The fourth proportional to 6,665.00, 10,003.66 and 3,380.40 is: 5,073.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,665.00 : 10,003.66 = 3,380.40 : x
  2. Step 2: Convert to fraction form
    6,665.00/10,003.66 = 3,380.40/x
  3. Step 3: Cross multiply
    6,665.00x = 10,003.66 × 3,380.40
  4. Step 4: Simplify right side
    6,665.00x = 33,816,380.37
  5. Step 5: Solve for x
    x = 33,816,380.37/6,665.00
  6. Step 6: Final answer
    x = 5,073.72

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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.