Home / 5,131.43-7,692.58-1,843.64

Finding the Fourth Proportional to 5,131.43, 7,692.58 and 1,843.64

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Solution

The fourth proportional to 5,131.43, 7,692.58 and 1,843.64 is: 2,763.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,131.43 : 7,692.58 = 1,843.64 : x
  2. Step 2: Convert to fraction form
    5,131.43/7,692.58 = 1,843.64/x
  3. Step 3: Cross multiply
    5,131.43x = 7,692.58 × 1,843.64
  4. Step 4: Simplify right side
    5,131.43x = 14,182,305.12
  5. Step 5: Solve for x
    x = 14,182,305.12/5,131.43
  6. Step 6: Final answer
    x = 2,763.81

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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.