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Finding the Fourth Proportional to 7,381.94, 11,075.86 and 2,999.74

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Solution

The fourth proportional to 7,381.94, 11,075.86 and 2,999.74 is: 4,500.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,381.94 : 11,075.86 = 2,999.74 : x
  2. Step 2: Convert to fraction form
    7,381.94/11,075.86 = 2,999.74/x
  3. Step 3: Cross multiply
    7,381.94x = 11,075.86 × 2,999.74
  4. Step 4: Simplify right side
    7,381.94x = 33,224,700.28
  5. Step 5: Solve for x
    x = 33,224,700.28/7,381.94
  6. Step 6: Final answer
    x = 4,500.81

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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.