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Finding the Fourth Proportional to 7,504.50, 10,356.21 and 4,192.50

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Solution

The fourth proportional to 7,504.50, 10,356.21 and 4,192.50 is: 5,785.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,504.50 : 10,356.21 = 4,192.50 : x
  2. Step 2: Convert to fraction form
    7,504.50/10,356.21 = 4,192.50/x
  3. Step 3: Cross multiply
    7,504.50x = 10,356.21 × 4,192.50
  4. Step 4: Simplify right side
    7,504.50x = 43,418,410.43
  5. Step 5: Solve for x
    x = 43,418,410.43/7,504.50
  6. Step 6: Final answer
    x = 5,785.65

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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.