Home / 4,189.14-6,280.97-2,106.02

Finding the Fourth Proportional to 4,189.14, 6,280.97 and 2,106.02

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Solution

The fourth proportional to 4,189.14, 6,280.97 and 2,106.02 is: 3,157.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,189.14 : 6,280.97 = 2,106.02 : x
  2. Step 2: Convert to fraction form
    4,189.14/6,280.97 = 2,106.02/x
  3. Step 3: Cross multiply
    4,189.14x = 6,280.97 × 2,106.02
  4. Step 4: Simplify right side
    4,189.14x = 13,227,848.44
  5. Step 5: Solve for x
    x = 13,227,848.44/4,189.14
  6. Step 6: Final answer
    x = 3,157.65

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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.