Home / 4,936.10-6,811.56-2,811.62

Finding the Fourth Proportional to 4,936.10, 6,811.56 and 2,811.62

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Solution

The fourth proportional to 4,936.10, 6,811.56 and 2,811.62 is: 3,879.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,936.10 : 6,811.56 = 2,811.62 : x
  2. Step 2: Convert to fraction form
    4,936.10/6,811.56 = 2,811.62/x
  3. Step 3: Cross multiply
    4,936.10x = 6,811.56 × 2,811.62
  4. Step 4: Simplify right side
    4,936.10x = 19,151,518.33
  5. Step 5: Solve for x
    x = 19,151,518.33/4,936.10
  6. Step 6: Final answer
    x = 3,879.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.