Home / 4,142.26-6,212.76-1,180.90

Finding the Fourth Proportional to 4,142.26, 6,212.76 and 1,180.90

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Solution

The fourth proportional to 4,142.26, 6,212.76 and 1,180.90 is: 1,771.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,142.26 : 6,212.76 = 1,180.90 : x
  2. Step 2: Convert to fraction form
    4,142.26/6,212.76 = 1,180.90/x
  3. Step 3: Cross multiply
    4,142.26x = 6,212.76 × 1,180.90
  4. Step 4: Simplify right side
    4,142.26x = 7,336,648.28
  5. Step 5: Solve for x
    x = 7,336,648.28/4,142.26
  6. Step 6: Final answer
    x = 1,771.17

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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.