Home / 4,918.39-6,783.86-3,027.50

Finding the Fourth Proportional to 4,918.39, 6,783.86 and 3,027.50

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Solution

The fourth proportional to 4,918.39, 6,783.86 and 3,027.50 is: 4,175.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,918.39 : 6,783.86 = 3,027.50 : x
  2. Step 2: Convert to fraction form
    4,918.39/6,783.86 = 3,027.50/x
  3. Step 3: Cross multiply
    4,918.39x = 6,783.86 × 3,027.50
  4. Step 4: Simplify right side
    4,918.39x = 20,538,136.15
  5. Step 5: Solve for x
    x = 20,538,136.15/4,918.39
  6. Step 6: Final answer
    x = 4,175.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.