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Finding the Fourth Proportional to 4,739.04, 7,093.44 and 3,993.12

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Solution

The fourth proportional to 4,739.04, 7,093.44 and 3,993.12 is: 5,976.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,739.04 : 7,093.44 = 3,993.12 : x
  2. Step 2: Convert to fraction form
    4,739.04/7,093.44 = 3,993.12/x
  3. Step 3: Cross multiply
    4,739.04x = 7,093.44 × 3,993.12
  4. Step 4: Simplify right side
    4,739.04x = 28,324,957.13
  5. Step 5: Solve for x
    x = 28,324,957.13/4,739.04
  6. Step 6: Final answer
    x = 5,976.94

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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.