Home / 7,977.02-11,961.03-3,818.03

Finding the Fourth Proportional to 7,977.02, 11,961.03 and 3,818.03

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Solution

The fourth proportional to 7,977.02, 11,961.03 and 3,818.03 is: 5,724.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,977.02 : 11,961.03 = 3,818.03 : x
  2. Step 2: Convert to fraction form
    7,977.02/11,961.03 = 3,818.03/x
  3. Step 3: Cross multiply
    7,977.02x = 11,961.03 × 3,818.03
  4. Step 4: Simplify right side
    7,977.02x = 45,667,571.37
  5. Step 5: Solve for x
    x = 45,667,571.37/7,977.02
  6. Step 6: Final answer
    x = 5,724.89

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.