Home / 6,821.64-9,412.89-3,837.36

Finding the Fourth Proportional to 6,821.64, 9,412.89 and 3,837.36

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Solution

The fourth proportional to 6,821.64, 9,412.89 and 3,837.36 is: 5,295.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,821.64 : 9,412.89 = 3,837.36 : x
  2. Step 2: Convert to fraction form
    6,821.64/9,412.89 = 3,837.36/x
  3. Step 3: Cross multiply
    6,821.64x = 9,412.89 × 3,837.36
  4. Step 4: Simplify right side
    6,821.64x = 36,120,647.57
  5. Step 5: Solve for x
    x = 36,120,647.57/6,821.64
  6. Step 6: Final answer
    x = 5,295.01

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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.