Home / 5,455.07-8,183.00-1,559.78

Finding the Fourth Proportional to 5,455.07, 8,183.00 and 1,559.78

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Solution

The fourth proportional to 5,455.07, 8,183.00 and 1,559.78 is: 2,339.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,455.07 : 8,183.00 = 1,559.78 : x
  2. Step 2: Convert to fraction form
    5,455.07/8,183.00 = 1,559.78/x
  3. Step 3: Cross multiply
    5,455.07x = 8,183.00 × 1,559.78
  4. Step 4: Simplify right side
    5,455.07x = 12,763,631.03
  5. Step 5: Solve for x
    x = 12,763,631.03/5,455.07
  6. Step 6: Final answer
    x = 2,339.78

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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.