Home / 4,719.36-7,083.36-3,620.16

Finding the Fourth Proportional to 4,719.36, 7,083.36 and 3,620.16

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Solution

The fourth proportional to 4,719.36, 7,083.36 and 3,620.16 is: 5,433.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,719.36 : 7,083.36 = 3,620.16 : x
  2. Step 2: Convert to fraction form
    4,719.36/7,083.36 = 3,620.16/x
  3. Step 3: Cross multiply
    4,719.36x = 7,083.36 × 3,620.16
  4. Step 4: Simplify right side
    4,719.36x = 25,642,896.54
  5. Step 5: Solve for x
    x = 25,642,896.54/4,719.36
  6. Step 6: Final answer
    x = 5,433.55

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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.