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Finding the Fourth Proportional to 7,199.94, 10,800.81 and 2,816.83

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Solution

The fourth proportional to 7,199.94, 10,800.81 and 2,816.83 is: 4,225.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,199.94 : 10,800.81 = 2,816.83 : x
  2. Step 2: Convert to fraction form
    7,199.94/10,800.81 = 2,816.83/x
  3. Step 3: Cross multiply
    7,199.94x = 10,800.81 × 2,816.83
  4. Step 4: Simplify right side
    7,199.94x = 30,424,045.63
  5. Step 5: Solve for x
    x = 30,424,045.63/7,199.94
  6. Step 6: Final answer
    x = 4,225.60

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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.