Home / 4,092.50-6,138.48-1,318.44

Finding the Fourth Proportional to 4,092.50, 6,138.48 and 1,318.44

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Solution

The fourth proportional to 4,092.50, 6,138.48 and 1,318.44 is: 1,977.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,092.50 : 6,138.48 = 1,318.44 : x
  2. Step 2: Convert to fraction form
    4,092.50/6,138.48 = 1,318.44/x
  3. Step 3: Cross multiply
    4,092.50x = 6,138.48 × 1,318.44
  4. Step 4: Simplify right side
    4,092.50x = 8,093,217.57
  5. Step 5: Solve for x
    x = 8,093,217.57/4,092.50
  6. Step 6: Final answer
    x = 1,977.57

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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.