Home / 4,971.47-7,455.62-2,198.09

Finding the Fourth Proportional to 4,971.47, 7,455.62 and 2,198.09

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Solution

The fourth proportional to 4,971.47, 7,455.62 and 2,198.09 is: 3,296.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,971.47 : 7,455.62 = 2,198.09 : x
  2. Step 2: Convert to fraction form
    4,971.47/7,455.62 = 2,198.09/x
  3. Step 3: Cross multiply
    4,971.47x = 7,455.62 × 2,198.09
  4. Step 4: Simplify right side
    4,971.47x = 16,388,075.50
  5. Step 5: Solve for x
    x = 16,388,075.50/4,971.47
  6. Step 6: Final answer
    x = 3,296.43

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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.