Home / 4,739.76-7,113.36-3,289.12

Finding the Fourth Proportional to 4,739.76, 7,113.36 and 3,289.12

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Solution

The fourth proportional to 4,739.76, 7,113.36 and 3,289.12 is: 4,936.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,739.76 : 7,113.36 = 3,289.12 : x
  2. Step 2: Convert to fraction form
    4,739.76/7,113.36 = 3,289.12/x
  3. Step 3: Cross multiply
    4,739.76x = 7,113.36 × 3,289.12
  4. Step 4: Simplify right side
    4,739.76x = 23,396,694.64
  5. Step 5: Solve for x
    x = 23,396,694.64/4,739.76
  6. Step 6: Final answer
    x = 4,936.26

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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.