Home / 4,163.35-6,246.62-1,390.42

Finding the Fourth Proportional to 4,163.35, 6,246.62 and 1,390.42

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Solution

The fourth proportional to 4,163.35, 6,246.62 and 1,390.42 is: 2,086.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,163.35 : 6,246.62 = 1,390.42 : x
  2. Step 2: Convert to fraction form
    4,163.35/6,246.62 = 1,390.42/x
  3. Step 3: Cross multiply
    4,163.35x = 6,246.62 × 1,390.42
  4. Step 4: Simplify right side
    4,163.35x = 8,685,396.31
  5. Step 5: Solve for x
    x = 8,685,396.31/4,163.35
  6. Step 6: Final answer
    x = 2,086.16

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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.