Home / 4,980.94-6,873.06-2,991.85

Finding the Fourth Proportional to 4,980.94, 6,873.06 and 2,991.85

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Solution

The fourth proportional to 4,980.94, 6,873.06 and 2,991.85 is: 4,128.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,980.94 : 6,873.06 = 2,991.85 : x
  2. Step 2: Convert to fraction form
    4,980.94/6,873.06 = 2,991.85/x
  3. Step 3: Cross multiply
    4,980.94x = 6,873.06 × 2,991.85
  4. Step 4: Simplify right side
    4,980.94x = 20,563,164.56
  5. Step 5: Solve for x
    x = 20,563,164.56/4,980.94
  6. Step 6: Final answer
    x = 4,128.37

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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.