Home / 7,127.62-10,692.81-2,965.39

Finding the Fourth Proportional to 7,127.62, 10,692.81 and 2,965.39

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Solution

The fourth proportional to 7,127.62, 10,692.81 and 2,965.39 is: 4,448.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,127.62 : 10,692.81 = 2,965.39 : x
  2. Step 2: Convert to fraction form
    7,127.62/10,692.81 = 2,965.39/x
  3. Step 3: Cross multiply
    7,127.62x = 10,692.81 × 2,965.39
  4. Step 4: Simplify right side
    7,127.62x = 31,708,351.85
  5. Step 5: Solve for x
    x = 31,708,351.85/7,127.62
  6. Step 6: Final answer
    x = 4,448.66

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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.