Home / 5,131.10-7,692.03-1,843.45

Finding the Fourth Proportional to 5,131.10, 7,692.03 and 1,843.45

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Solution

The fourth proportional to 5,131.10, 7,692.03 and 1,843.45 is: 2,763.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,131.10 : 7,692.03 = 1,843.45 : x
  2. Step 2: Convert to fraction form
    5,131.10/7,692.03 = 1,843.45/x
  3. Step 3: Cross multiply
    5,131.10x = 7,692.03 × 1,843.45
  4. Step 4: Simplify right side
    5,131.10x = 14,179,853.47
  5. Step 5: Solve for x
    x = 14,179,853.47/5,131.10
  6. Step 6: Final answer
    x = 2,763.51

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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.