Home / 4,189.86-6,284.61-1,268.04

Finding the Fourth Proportional to 4,189.86, 6,284.61 and 1,268.04

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Solution

The fourth proportional to 4,189.86, 6,284.61 and 1,268.04 is: 1,902.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,189.86 : 6,284.61 = 1,268.04 : x
  2. Step 2: Convert to fraction form
    4,189.86/6,284.61 = 1,268.04/x
  3. Step 3: Cross multiply
    4,189.86x = 6,284.61 × 1,268.04
  4. Step 4: Simplify right side
    4,189.86x = 7,969,136.86
  5. Step 5: Solve for x
    x = 7,969,136.86/4,189.86
  6. Step 6: Final answer
    x = 1,902.01

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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.