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Finding the Fourth Proportional to 5,198.00, 7,797.77 and 1,910.84

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Solution

The fourth proportional to 5,198.00, 7,797.77 and 1,910.84 is: 2,866.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,198.00 : 7,797.77 = 1,910.84 : x
  2. Step 2: Convert to fraction form
    5,198.00/7,797.77 = 1,910.84/x
  3. Step 3: Cross multiply
    5,198.00x = 7,797.77 × 1,910.84
  4. Step 4: Simplify right side
    5,198.00x = 14,900,271.24
  5. Step 5: Solve for x
    x = 14,900,271.24/5,198.00
  6. Step 6: Final answer
    x = 2,866.54

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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.