Home / 6,849-9,451.69-3,705.26

Finding the Fourth Proportional to 6,849, 9,451.69 and 3,705.26

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Solution

The fourth proportional to 6,849, 9,451.69 and 3,705.26 is: 5,113.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,849 : 9,451.69 = 3,705.26 : x
  2. Step 2: Convert to fraction form
    6,849/9,451.69 = 3,705.26/x
  3. Step 3: Cross multiply
    6,849x = 9,451.69 × 3,705.26
  4. Step 4: Simplify right side
    6,849x = 35,020,912.37
  5. Step 5: Solve for x
    x = 35,020,912.37/6,849
  6. Step 6: Final answer
    x = 5,113.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.