Home / 5,183.79-7,774.43-1,485.15

Finding the Fourth Proportional to 5,183.79, 7,774.43 and 1,485.15

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Solution

The fourth proportional to 5,183.79, 7,774.43 and 1,485.15 is: 2,227.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,183.79 : 7,774.43 = 1,485.15 : x
  2. Step 2: Convert to fraction form
    5,183.79/7,774.43 = 1,485.15/x
  3. Step 3: Cross multiply
    5,183.79x = 7,774.43 × 1,485.15
  4. Step 4: Simplify right side
    5,183.79x = 11,546,187.29
  5. Step 5: Solve for x
    x = 11,546,187.29/5,183.79
  6. Step 6: Final answer
    x = 2,227.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.