Home / 6,680.00-10,015.09-3,864.86

Finding the Fourth Proportional to 6,680.00, 10,015.09 and 3,864.86

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Solution

The fourth proportional to 6,680.00, 10,015.09 and 3,864.86 is: 5,794.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,680.00 : 10,015.09 = 3,864.86 : x
  2. Step 2: Convert to fraction form
    6,680.00/10,015.09 = 3,864.86/x
  3. Step 3: Cross multiply
    6,680.00x = 10,015.09 × 3,864.86
  4. Step 4: Simplify right side
    6,680.00x = 38,706,936.11
  5. Step 5: Solve for x
    x = 38,706,936.11/6,680.00
  6. Step 6: Final answer
    x = 5,794.46

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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.