Home / 7,135.59-10,704.41-2,205.66

Finding the Fourth Proportional to 7,135.59, 10,704.41 and 2,205.66

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Solution

The fourth proportional to 7,135.59, 10,704.41 and 2,205.66 is: 3,308.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,135.59 : 10,704.41 = 2,205.66 : x
  2. Step 2: Convert to fraction form
    7,135.59/10,704.41 = 2,205.66/x
  3. Step 3: Cross multiply
    7,135.59x = 10,704.41 × 2,205.66
  4. Step 4: Simplify right side
    7,135.59x = 23,610,288.96
  5. Step 5: Solve for x
    x = 23,610,288.96/7,135.59
  6. Step 6: Final answer
    x = 3,308.81

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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.