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Finding the Fourth Proportional to 7,190.73, 10,796.73 and 4,428.99

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Solution

The fourth proportional to 7,190.73, 10,796.73 and 4,428.99 is: 6,650.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,190.73 : 10,796.73 = 4,428.99 : x
  2. Step 2: Convert to fraction form
    7,190.73/10,796.73 = 4,428.99/x
  3. Step 3: Cross multiply
    7,190.73x = 10,796.73 × 4,428.99
  4. Step 4: Simplify right side
    7,190.73x = 47,818,609.20
  5. Step 5: Solve for x
    x = 47,818,609.20/7,190.73
  6. Step 6: Final answer
    x = 6,650.04

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1.5x scale

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.