Home / 7,127.94-10,692.35-2,745.42

Finding the Fourth Proportional to 7,127.94, 10,692.35 and 2,745.42

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Solution

The fourth proportional to 7,127.94, 10,692.35 and 2,745.42 is: 4,118.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,127.94 : 10,692.35 = 2,745.42 : x
  2. Step 2: Convert to fraction form
    7,127.94/10,692.35 = 2,745.42/x
  3. Step 3: Cross multiply
    7,127.94x = 10,692.35 × 2,745.42
  4. Step 4: Simplify right side
    7,127.94x = 29,354,991.54
  5. Step 5: Solve for x
    x = 29,354,991.54/7,127.94
  6. Step 6: Final answer
    x = 4,118.30

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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.