Home / 3,907.82-5,856.25-2,807.03

Finding the Fourth Proportional to 3,907.82, 5,856.25 and 2,807.03

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Solution

The fourth proportional to 3,907.82, 5,856.25 and 2,807.03 is: 4,206.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,907.82 : 5,856.25 = 2,807.03 : x
  2. Step 2: Convert to fraction form
    3,907.82/5,856.25 = 2,807.03/x
  3. Step 3: Cross multiply
    3,907.82x = 5,856.25 × 2,807.03
  4. Step 4: Simplify right side
    3,907.82x = 16,438,669.44
  5. Step 5: Solve for x
    x = 16,438,669.44/3,907.82
  6. Step 6: Final answer
    x = 4,206.61

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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.