Home / 5,129.87-7,692.68-1,797.41

Finding the Fourth Proportional to 5,129.87, 7,692.68 and 1,797.41

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Solution

The fourth proportional to 5,129.87, 7,692.68 and 1,797.41 is: 2,695.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,129.87 : 7,692.68 = 1,797.41 : x
  2. Step 2: Convert to fraction form
    5,129.87/7,692.68 = 1,797.41/x
  3. Step 3: Cross multiply
    5,129.87x = 7,692.68 × 1,797.41
  4. Step 4: Simplify right side
    5,129.87x = 13,826,923.68
  5. Step 5: Solve for x
    x = 13,826,923.68/5,129.87
  6. Step 6: Final answer
    x = 2,695.38

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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.