Home / 4,661.62-6,989.00-2,195.09

Finding the Fourth Proportional to 4,661.62, 6,989.00 and 2,195.09

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Solution

The fourth proportional to 4,661.62, 6,989.00 and 2,195.09 is: 3,291.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,661.62 : 6,989.00 = 2,195.09 : x
  2. Step 2: Convert to fraction form
    4,661.62/6,989.00 = 2,195.09/x
  3. Step 3: Cross multiply
    4,661.62x = 6,989.00 × 2,195.09
  4. Step 4: Simplify right side
    4,661.62x = 15,341,464.30
  5. Step 5: Solve for x
    x = 15,341,464.30/4,661.62
  6. Step 6: Final answer
    x = 3,291.02

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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.