Home / 4,212.12-6,309.72-2,097.37

Finding the Fourth Proportional to 4,212.12, 6,309.72 and 2,097.37

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Solution

The fourth proportional to 4,212.12, 6,309.72 and 2,097.37 is: 3,141.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,212.12 : 6,309.72 = 2,097.37 : x
  2. Step 2: Convert to fraction form
    4,212.12/6,309.72 = 2,097.37/x
  3. Step 3: Cross multiply
    4,212.12x = 6,309.72 × 2,097.37
  4. Step 4: Simplify right side
    4,212.12x = 13,233,825.32
  5. Step 5: Solve for x
    x = 13,233,825.32/4,212.12
  6. Step 6: Final answer
    x = 3,141.85

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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.