Home / 4,190.26-6,282.92-1,415.40

Finding the Fourth Proportional to 4,190.26, 6,282.92 and 1,415.40

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Solution

The fourth proportional to 4,190.26, 6,282.92 and 1,415.40 is: 2,122.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,190.26 : 6,282.92 = 1,415.40 : x
  2. Step 2: Convert to fraction form
    4,190.26/6,282.92 = 1,415.40/x
  3. Step 3: Cross multiply
    4,190.26x = 6,282.92 × 1,415.40
  4. Step 4: Simplify right side
    4,190.26x = 8,892,844.97
  5. Step 5: Solve for x
    x = 8,892,844.97/4,190.26
  6. Step 6: Final answer
    x = 2,122.27

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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.