Home / 4,910.36-7,365.56-1,212.56

Finding the Fourth Proportional to 4,910.36, 7,365.56 and 1,212.56

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Solution

The fourth proportional to 4,910.36, 7,365.56 and 1,212.56 is: 1,818.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,910.36 : 7,365.56 = 1,212.56 : x
  2. Step 2: Convert to fraction form
    4,910.36/7,365.56 = 1,212.56/x
  3. Step 3: Cross multiply
    4,910.36x = 7,365.56 × 1,212.56
  4. Step 4: Simplify right side
    4,910.36x = 8,931,183.43
  5. Step 5: Solve for x
    x = 8,931,183.43/4,910.36
  6. Step 6: Final answer
    x = 1,818.84

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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.