Home / 4,091.14-6,137.69-1,318.07

Finding the Fourth Proportional to 4,091.14, 6,137.69 and 1,318.07

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Solution

The fourth proportional to 4,091.14, 6,137.69 and 1,318.07 is: 1,977.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,091.14 : 6,137.69 = 1,318.07 : x
  2. Step 2: Convert to fraction form
    4,091.14/6,137.69 = 1,318.07/x
  3. Step 3: Cross multiply
    4,091.14x = 6,137.69 × 1,318.07
  4. Step 4: Simplify right side
    4,091.14x = 8,089,898.47
  5. Step 5: Solve for x
    x = 8,089,898.47/4,091.14
  6. Step 6: Final answer
    x = 1,977.42

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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.