Home / 5,183.65-7,153.48-2,825.81

Finding the Fourth Proportional to 5,183.65, 7,153.48 and 2,825.81

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Solution

The fourth proportional to 5,183.65, 7,153.48 and 2,825.81 is: 3,899.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,183.65 : 7,153.48 = 2,825.81 : x
  2. Step 2: Convert to fraction form
    5,183.65/7,153.48 = 2,825.81/x
  3. Step 3: Cross multiply
    5,183.65x = 7,153.48 × 2,825.81
  4. Step 4: Simplify right side
    5,183.65x = 20,214,375.32
  5. Step 5: Solve for x
    x = 20,214,375.32/5,183.65
  6. Step 6: Final answer
    x = 3,899.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.