Home / 4,078.24-6,115.26-2,907.64

Finding the Fourth Proportional to 4,078.24, 6,115.26 and 2,907.64

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Solution

The fourth proportional to 4,078.24, 6,115.26 and 2,907.64 is: 4,359.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,078.24 : 6,115.26 = 2,907.64 : x
  2. Step 2: Convert to fraction form
    4,078.24/6,115.26 = 2,907.64/x
  3. Step 3: Cross multiply
    4,078.24x = 6,115.26 × 2,907.64
  4. Step 4: Simplify right side
    4,078.24x = 17,780,974.59
  5. Step 5: Solve for x
    x = 17,780,974.59/4,078.24
  6. Step 6: Final answer
    x = 4,359.96

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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.