Home / 6,809.51-10,211.49-2,127.95

Finding the Fourth Proportional to 6,809.51, 10,211.49 and 2,127.95

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Solution

The fourth proportional to 6,809.51, 10,211.49 and 2,127.95 is: 3,191.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,809.51 : 10,211.49 = 2,127.95 : x
  2. Step 2: Convert to fraction form
    6,809.51/10,211.49 = 2,127.95/x
  3. Step 3: Cross multiply
    6,809.51x = 10,211.49 × 2,127.95
  4. Step 4: Simplify right side
    6,809.51x = 21,729,540.15
  5. Step 5: Solve for x
    x = 21,729,540.15/6,809.51
  6. Step 6: Final answer
    x = 3,191.06

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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.