Home / 5,183.73-7,153.31-2,945.55

Finding the Fourth Proportional to 5,183.73, 7,153.31 and 2,945.55

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Solution

The fourth proportional to 5,183.73, 7,153.31 and 2,945.55 is: 4,064.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,183.73 : 7,153.31 = 2,945.55 : x
  2. Step 2: Convert to fraction form
    5,183.73/7,153.31 = 2,945.55/x
  3. Step 3: Cross multiply
    5,183.73x = 7,153.31 × 2,945.55
  4. Step 4: Simplify right side
    5,183.73x = 21,070,417.54
  5. Step 5: Solve for x
    x = 21,070,417.54/5,183.73
  6. Step 6: Final answer
    x = 4,064.72

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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.