Home / 5,183.20-7,772.86-1,672.32

Finding the Fourth Proportional to 5,183.20, 7,772.86 and 1,672.32

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Solution

The fourth proportional to 5,183.20, 7,772.86 and 1,672.32 is: 2,507.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,183.20 : 7,772.86 = 1,672.32 : x
  2. Step 2: Convert to fraction form
    5,183.20/7,772.86 = 1,672.32/x
  3. Step 3: Cross multiply
    5,183.20x = 7,772.86 × 1,672.32
  4. Step 4: Simplify right side
    5,183.20x = 12,998,709.24
  5. Step 5: Solve for x
    x = 12,998,709.24/5,183.20
  6. Step 6: Final answer
    x = 2,507.85

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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.