Home / 4,288.62-6,435.09-1,693.38

Finding the Fourth Proportional to 4,288.62, 6,435.09 and 1,693.38

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Solution

The fourth proportional to 4,288.62, 6,435.09 and 1,693.38 is: 2,540.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,288.62 : 6,435.09 = 1,693.38 : x
  2. Step 2: Convert to fraction form
    4,288.62/6,435.09 = 1,693.38/x
  3. Step 3: Cross multiply
    4,288.62x = 6,435.09 × 1,693.38
  4. Step 4: Simplify right side
    4,288.62x = 10,897,052.70
  5. Step 5: Solve for x
    x = 10,897,052.70/4,288.62
  6. Step 6: Final answer
    x = 2,540.92

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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.