Home / 4,108.84-6,163.26-1,918.60

Finding the Fourth Proportional to 4,108.84, 6,163.26 and 1,918.60

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Solution

The fourth proportional to 4,108.84, 6,163.26 and 1,918.60 is: 2,877.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,108.84 : 6,163.26 = 1,918.60 : x
  2. Step 2: Convert to fraction form
    4,108.84/6,163.26 = 1,918.60/x
  3. Step 3: Cross multiply
    4,108.84x = 6,163.26 × 1,918.60
  4. Step 4: Simplify right side
    4,108.84x = 11,824,830.64
  5. Step 5: Solve for x
    x = 11,824,830.64/4,108.84
  6. Step 6: Final answer
    x = 2,877.90

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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.