Home / 5,126.97-7,692.39-2,660.25

Finding the Fourth Proportional to 5,126.97, 7,692.39 and 2,660.25

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Solution

The fourth proportional to 5,126.97, 7,692.39 and 2,660.25 is: 3,991.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,126.97 : 7,692.39 = 2,660.25 : x
  2. Step 2: Convert to fraction form
    5,126.97/7,692.39 = 2,660.25/x
  3. Step 3: Cross multiply
    5,126.97x = 7,692.39 × 2,660.25
  4. Step 4: Simplify right side
    5,126.97x = 20,463,680.50
  5. Step 5: Solve for x
    x = 20,463,680.50/5,126.97
  6. Step 6: Final answer
    x = 3,991.38

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1.5x scale

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.