Home / 4,786.05-7,179.48-1,276.59

Finding the Fourth Proportional to 4,786.05, 7,179.48 and 1,276.59

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Solution

The fourth proportional to 4,786.05, 7,179.48 and 1,276.59 is: 1,914.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,786.05 : 7,179.48 = 1,276.59 : x
  2. Step 2: Convert to fraction form
    4,786.05/7,179.48 = 1,276.59/x
  3. Step 3: Cross multiply
    4,786.05x = 7,179.48 × 1,276.59
  4. Step 4: Simplify right side
    4,786.05x = 9,165,245.99
  5. Step 5: Solve for x
    x = 9,165,245.99/4,786.05
  6. Step 6: Final answer
    x = 1,914.99

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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.