Home / 4,093.78-6,138.87-1,171.42

Finding the Fourth Proportional to 4,093.78, 6,138.87 and 1,171.42

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Solution

The fourth proportional to 4,093.78, 6,138.87 and 1,171.42 is: 1,756.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,093.78 : 6,138.87 = 1,171.42 : x
  2. Step 2: Convert to fraction form
    4,093.78/6,138.87 = 1,171.42/x
  3. Step 3: Cross multiply
    4,093.78x = 6,138.87 × 1,171.42
  4. Step 4: Simplify right side
    4,093.78x = 7,191,195.10
  5. Step 5: Solve for x
    x = 7,191,195.10/4,093.78
  6. Step 6: Final answer
    x = 1,756.61

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1.5x scale

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.