Home / 7,127.21-10,692.66-2,965.88

Finding the Fourth Proportional to 7,127.21, 10,692.66 and 2,965.88

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Solution

The fourth proportional to 7,127.21, 10,692.66 and 2,965.88 is: 4,449.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,127.21 : 10,692.66 = 2,965.88 : x
  2. Step 2: Convert to fraction form
    7,127.21/10,692.66 = 2,965.88/x
  3. Step 3: Cross multiply
    7,127.21x = 10,692.66 × 2,965.88
  4. Step 4: Simplify right side
    7,127.21x = 31,713,146.44
  5. Step 5: Solve for x
    x = 31,713,146.44/7,127.21
  6. Step 6: Final answer
    x = 4,449.59

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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.