Home / 4,181.50-6,276.79-3,144.47

Finding the Fourth Proportional to 4,181.50, 6,276.79 and 3,144.47

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Solution

The fourth proportional to 4,181.50, 6,276.79 and 3,144.47 is: 4,720.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,181.50 : 6,276.79 = 3,144.47 : x
  2. Step 2: Convert to fraction form
    4,181.50/6,276.79 = 3,144.47/x
  3. Step 3: Cross multiply
    4,181.50x = 6,276.79 × 3,144.47
  4. Step 4: Simplify right side
    4,181.50x = 19,737,169.99
  5. Step 5: Solve for x
    x = 19,737,169.99/4,181.50
  6. Step 6: Final answer
    x = 4,720.12

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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.