Home / 4,198.77-6,288.58-2,009.05

Finding the Fourth Proportional to 4,198.77, 6,288.58 and 2,009.05

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Solution

The fourth proportional to 4,198.77, 6,288.58 and 2,009.05 is: 3,008.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,198.77 : 6,288.58 = 2,009.05 : x
  2. Step 2: Convert to fraction form
    4,198.77/6,288.58 = 2,009.05/x
  3. Step 3: Cross multiply
    4,198.77x = 6,288.58 × 2,009.05
  4. Step 4: Simplify right side
    4,198.77x = 12,634,058.44
  5. Step 5: Solve for x
    x = 12,634,058.44/4,198.77
  6. Step 6: Final answer
    x = 3,008.99

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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.