Home / 5,692.87-8,542.46-2,185.21

Finding the Fourth Proportional to 5,692.87, 8,542.46 and 2,185.21

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Solution

The fourth proportional to 5,692.87, 8,542.46 and 2,185.21 is: 3,279.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,692.87 : 8,542.46 = 2,185.21 : x
  2. Step 2: Convert to fraction form
    5,692.87/8,542.46 = 2,185.21/x
  3. Step 3: Cross multiply
    5,692.87x = 8,542.46 × 2,185.21
  4. Step 4: Simplify right side
    5,692.87x = 18,667,069.02
  5. Step 5: Solve for x
    x = 18,667,069.02/5,692.87
  6. Step 6: Final answer
    x = 3,279.03

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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.