Home / 4,917-7,380.36-2,608.50

Finding the Fourth Proportional to 4,917, 7,380.36 and 2,608.50

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Solution

The fourth proportional to 4,917, 7,380.36 and 2,608.50 is: 3,915.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,917 : 7,380.36 = 2,608.50 : x
  2. Step 2: Convert to fraction form
    4,917/7,380.36 = 2,608.50/x
  3. Step 3: Cross multiply
    4,917x = 7,380.36 × 2,608.50
  4. Step 4: Simplify right side
    4,917x = 19,251,669.06
  5. Step 5: Solve for x
    x = 19,251,669.06/4,917
  6. Step 6: Final answer
    x = 3,915.33

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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.