Home / 4,212.87-6,322.13-3,173.64

Finding the Fourth Proportional to 4,212.87, 6,322.13 and 3,173.64

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Solution

The fourth proportional to 4,212.87, 6,322.13 and 3,173.64 is: 4,762.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,212.87 : 6,322.13 = 3,173.64 : x
  2. Step 2: Convert to fraction form
    4,212.87/6,322.13 = 3,173.64/x
  3. Step 3: Cross multiply
    4,212.87x = 6,322.13 × 3,173.64
  4. Step 4: Simplify right side
    4,212.87x = 20,064,164.65
  5. Step 5: Solve for x
    x = 20,064,164.65/4,212.87
  6. Step 6: Final answer
    x = 4,762.59

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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.