Home / 5,690.37-8,535.57-2,179.56

Finding the Fourth Proportional to 5,690.37, 8,535.57 and 2,179.56

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Solution

The fourth proportional to 5,690.37, 8,535.57 and 2,179.56 is: 3,269.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,690.37 : 8,535.57 = 2,179.56 : x
  2. Step 2: Convert to fraction form
    5,690.37/8,535.57 = 2,179.56/x
  3. Step 3: Cross multiply
    5,690.37x = 8,535.57 × 2,179.56
  4. Step 4: Simplify right side
    5,690.37x = 18,603,786.95
  5. Step 5: Solve for x
    x = 18,603,786.95/5,690.37
  6. Step 6: Final answer
    x = 3,269.35

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Similar ratio
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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.