Home / 7,927.27-11,880.72-2,991.03

Finding the Fourth Proportional to 7,927.27, 11,880.72 and 2,991.03

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Solution

The fourth proportional to 7,927.27, 11,880.72 and 2,991.03 is: 4,482.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,927.27 : 11,880.72 = 2,991.03 : x
  2. Step 2: Convert to fraction form
    7,927.27/11,880.72 = 2,991.03/x
  3. Step 3: Cross multiply
    7,927.27x = 11,880.72 × 2,991.03
  4. Step 4: Simplify right side
    7,927.27x = 35,535,589.94
  5. Step 5: Solve for x
    x = 35,535,589.94/7,927.27
  6. Step 6: Final answer
    x = 4,482.70

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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.