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Finding the Fourth Proportional to 7,790.50, 10,751.07 and 4,253.73

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Solution

The fourth proportional to 7,790.50, 10,751.07 and 4,253.73 is: 5,870.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,790.50 : 10,751.07 = 4,253.73 : x
  2. Step 2: Convert to fraction form
    7,790.50/10,751.07 = 4,253.73/x
  3. Step 3: Cross multiply
    7,790.50x = 10,751.07 × 4,253.73
  4. Step 4: Simplify right side
    7,790.50x = 45,732,148.99
  5. Step 5: Solve for x
    x = 45,732,148.99/7,790.50
  6. Step 6: Final answer
    x = 5,870.25

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.