Home / 5,183.80-7,153.62-2,945.77

Finding the Fourth Proportional to 5,183.80, 7,153.62 and 2,945.77

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Solution

The fourth proportional to 5,183.80, 7,153.62 and 2,945.77 is: 4,065.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,183.80 : 7,153.62 = 2,945.77 : x
  2. Step 2: Convert to fraction form
    5,183.80/7,153.62 = 2,945.77/x
  3. Step 3: Cross multiply
    5,183.80x = 7,153.62 × 2,945.77
  4. Step 4: Simplify right side
    5,183.80x = 21,072,890.26
  5. Step 5: Solve for x
    x = 21,072,890.26/5,183.80
  6. Step 6: Final answer
    x = 4,065.15

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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.