Home / 6,828.40-10,245.66-3,316.48

Finding the Fourth Proportional to 6,828.40, 10,245.66 and 3,316.48

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Solution

The fourth proportional to 6,828.40, 10,245.66 and 3,316.48 is: 4,976.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,828.40 : 10,245.66 = 3,316.48 : x
  2. Step 2: Convert to fraction form
    6,828.40/10,245.66 = 3,316.48/x
  3. Step 3: Cross multiply
    6,828.40x = 10,245.66 × 3,316.48
  4. Step 4: Simplify right side
    6,828.40x = 33,979,526.48
  5. Step 5: Solve for x
    x = 33,979,526.48/6,828.40
  6. Step 6: Final answer
    x = 4,976.21

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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.