Home / 6,121.64-9,187.07-2,837.03

Finding the Fourth Proportional to 6,121.64, 9,187.07 and 2,837.03

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Solution

The fourth proportional to 6,121.64, 9,187.07 and 2,837.03 is: 4,257.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,121.64 : 9,187.07 = 2,837.03 : x
  2. Step 2: Convert to fraction form
    6,121.64/9,187.07 = 2,837.03/x
  3. Step 3: Cross multiply
    6,121.64x = 9,187.07 × 2,837.03
  4. Step 4: Simplify right side
    6,121.64x = 26,063,993.20
  5. Step 5: Solve for x
    x = 26,063,993.20/6,121.64
  6. Step 6: Final answer
    x = 4,257.68

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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.