Home / 5,183.73-7,153.45-2,825.89

Finding the Fourth Proportional to 5,183.73, 7,153.45 and 2,825.89

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Solution

The fourth proportional to 5,183.73, 7,153.45 and 2,825.89 is: 3,899.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,183.73 : 7,153.45 = 2,825.89 : x
  2. Step 2: Convert to fraction form
    5,183.73/7,153.45 = 2,825.89/x
  3. Step 3: Cross multiply
    5,183.73x = 7,153.45 × 2,825.89
  4. Step 4: Simplify right side
    5,183.73x = 20,214,837.87
  5. Step 5: Solve for x
    x = 20,214,837.87/5,183.73
  6. Step 6: Final answer
    x = 3,899.67

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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.