Home / 6,828.22-10,242.32-2,148.64

Finding the Fourth Proportional to 6,828.22, 10,242.32 and 2,148.64

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Solution

The fourth proportional to 6,828.22, 10,242.32 and 2,148.64 is: 3,222.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,828.22 : 10,242.32 = 2,148.64 : x
  2. Step 2: Convert to fraction form
    6,828.22/10,242.32 = 2,148.64/x
  3. Step 3: Cross multiply
    6,828.22x = 10,242.32 × 2,148.64
  4. Step 4: Simplify right side
    6,828.22x = 22,007,058.44
  5. Step 5: Solve for x
    x = 22,007,058.44/6,828.22
  6. Step 6: Final answer
    x = 3,222.96

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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.