Home / 4,277.78-6,418.23-2,198.30

Finding the Fourth Proportional to 4,277.78, 6,418.23 and 2,198.30

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Solution

The fourth proportional to 4,277.78, 6,418.23 and 2,198.30 is: 3,298.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,277.78 : 6,418.23 = 2,198.30 : x
  2. Step 2: Convert to fraction form
    4,277.78/6,418.23 = 2,198.30/x
  3. Step 3: Cross multiply
    4,277.78x = 6,418.23 × 2,198.30
  4. Step 4: Simplify right side
    4,277.78x = 14,109,195.01
  5. Step 5: Solve for x
    x = 14,109,195.01/4,277.78
  6. Step 6: Final answer
    x = 3,298.25

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1.5x scale

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.