Home / 6,580.58-9,871.38-2,198.05

Finding the Fourth Proportional to 6,580.58, 9,871.38 and 2,198.05

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Solution

The fourth proportional to 6,580.58, 9,871.38 and 2,198.05 is: 3,297.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,580.58 : 9,871.38 = 2,198.05 : x
  2. Step 2: Convert to fraction form
    6,580.58/9,871.38 = 2,198.05/x
  3. Step 3: Cross multiply
    6,580.58x = 9,871.38 × 2,198.05
  4. Step 4: Simplify right side
    6,580.58x = 21,697,762.13
  5. Step 5: Solve for x
    x = 21,697,762.13/6,580.58
  6. Step 6: Final answer
    x = 3,297.24

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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.