Home / 4,268.38-6,400.53-2,189.38

Finding the Fourth Proportional to 4,268.38, 6,400.53 and 2,189.38

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Solution

The fourth proportional to 4,268.38, 6,400.53 and 2,189.38 is: 3,283.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,268.38 : 6,400.53 = 2,189.38 : x
  2. Step 2: Convert to fraction form
    4,268.38/6,400.53 = 2,189.38/x
  3. Step 3: Cross multiply
    4,268.38x = 6,400.53 × 2,189.38
  4. Step 4: Simplify right side
    4,268.38x = 14,013,192.37
  5. Step 5: Solve for x
    x = 14,013,192.37/4,268.38
  6. Step 6: Final answer
    x = 3,283.02

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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.