Home / 5,183.13-7,152.80-2,945.07

Finding the Fourth Proportional to 5,183.13, 7,152.80 and 2,945.07

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Solution

The fourth proportional to 5,183.13, 7,152.80 and 2,945.07 is: 4,064.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,183.13 : 7,152.80 = 2,945.07 : x
  2. Step 2: Convert to fraction form
    5,183.13/7,152.80 = 2,945.07/x
  3. Step 3: Cross multiply
    5,183.13x = 7,152.80 × 2,945.07
  4. Step 4: Simplify right side
    5,183.13x = 21,065,481.97
  5. Step 5: Solve for x
    x = 21,065,481.97/5,183.13
  6. Step 6: Final answer
    x = 4,064.24

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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.