Home / 5,084.06-7,623.59-2,121.61

Finding the Fourth Proportional to 5,084.06, 7,623.59 and 2,121.61

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Solution

The fourth proportional to 5,084.06, 7,623.59 and 2,121.61 is: 3,181.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,084.06 : 7,623.59 = 2,121.61 : x
  2. Step 2: Convert to fraction form
    5,084.06/7,623.59 = 2,121.61/x
  3. Step 3: Cross multiply
    5,084.06x = 7,623.59 × 2,121.61
  4. Step 4: Simplify right side
    5,084.06x = 16,174,284.78
  5. Step 5: Solve for x
    x = 16,174,284.78/5,084.06
  6. Step 6: Final answer
    x = 3,181.37

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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.