Home / 4,490.28-6,198.12-2,918.88

Finding the Fourth Proportional to 4,490.28, 6,198.12 and 2,918.88

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Solution

The fourth proportional to 4,490.28, 6,198.12 and 2,918.88 is: 4,029.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,490.28 : 6,198.12 = 2,918.88 : x
  2. Step 2: Convert to fraction form
    4,490.28/6,198.12 = 2,918.88/x
  3. Step 3: Cross multiply
    4,490.28x = 6,198.12 × 2,918.88
  4. Step 4: Simplify right side
    4,490.28x = 18,091,568.51
  5. Step 5: Solve for x
    x = 18,091,568.51/4,490.28
  6. Step 6: Final answer
    x = 4,029.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.