Home / 5,183.35-7,153.21-2,945.60

Finding the Fourth Proportional to 5,183.35, 7,153.21 and 2,945.60

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Solution

The fourth proportional to 5,183.35, 7,153.21 and 2,945.60 is: 4,065.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,183.35 : 7,153.21 = 2,945.60 : x
  2. Step 2: Convert to fraction form
    5,183.35/7,153.21 = 2,945.60/x
  3. Step 3: Cross multiply
    5,183.35x = 7,153.21 × 2,945.60
  4. Step 4: Simplify right side
    5,183.35x = 21,070,495.38
  5. Step 5: Solve for x
    x = 21,070,495.38/5,183.35
  6. Step 6: Final answer
    x = 4,065.03

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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.