Home / 6,580.36-9,871.16-2,198.12

Finding the Fourth Proportional to 6,580.36, 9,871.16 and 2,198.12

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Solution

The fourth proportional to 6,580.36, 9,871.16 and 2,198.12 is: 3,297.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,580.36 : 9,871.16 = 2,198.12 : x
  2. Step 2: Convert to fraction form
    6,580.36/9,871.16 = 2,198.12/x
  3. Step 3: Cross multiply
    6,580.36x = 9,871.16 × 2,198.12
  4. Step 4: Simplify right side
    6,580.36x = 21,697,994.22
  5. Step 5: Solve for x
    x = 21,697,994.22/6,580.36
  6. Step 6: Final answer
    x = 3,297.39

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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.