Home / 4,268.07-6,408.08-2,189.54

Finding the Fourth Proportional to 4,268.07, 6,408.08 and 2,189.54

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Solution

The fourth proportional to 4,268.07, 6,408.08 and 2,189.54 is: 3,287.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,268.07 : 6,408.08 = 2,189.54 : x
  2. Step 2: Convert to fraction form
    4,268.07/6,408.08 = 2,189.54/x
  3. Step 3: Cross multiply
    4,268.07x = 6,408.08 × 2,189.54
  4. Step 4: Simplify right side
    4,268.07x = 14,030,747.48
  5. Step 5: Solve for x
    x = 14,030,747.48/4,268.07
  6. Step 6: Final answer
    x = 3,287.38

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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.