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Finding the Fourth Proportional to 4,839.36, 7,243.04 and 4,163.52

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Solution

The fourth proportional to 4,839.36, 7,243.04 and 4,163.52 is: 6,231.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,839.36 : 7,243.04 = 4,163.52 : x
  2. Step 2: Convert to fraction form
    4,839.36/7,243.04 = 4,163.52/x
  3. Step 3: Cross multiply
    4,839.36x = 7,243.04 × 4,163.52
  4. Step 4: Simplify right side
    4,839.36x = 30,156,541.90
  5. Step 5: Solve for x
    x = 30,156,541.90/4,839.36
  6. Step 6: Final answer
    x = 6,231.51

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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.