Home / 8,103.27-12,147.60-2,907.93

Finding the Fourth Proportional to 8,103.27, 12,147.60 and 2,907.93

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Solution

The fourth proportional to 8,103.27, 12,147.60 and 2,907.93 is: 4,359.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,103.27 : 12,147.60 = 2,907.93 : x
  2. Step 2: Convert to fraction form
    8,103.27/12,147.60 = 2,907.93/x
  3. Step 3: Cross multiply
    8,103.27x = 12,147.60 × 2,907.93
  4. Step 4: Simplify right side
    8,103.27x = 35,324,370.47
  5. Step 5: Solve for x
    x = 35,324,370.47/8,103.27
  6. Step 6: Final answer
    x = 4,359.27

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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.