Home / 6,468.78-9,706.29-2,772.06

Finding the Fourth Proportional to 6,468.78, 9,706.29 and 2,772.06

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Solution

The fourth proportional to 6,468.78, 9,706.29 and 2,772.06 is: 4,159.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,468.78 : 9,706.29 = 2,772.06 : x
  2. Step 2: Convert to fraction form
    6,468.78/9,706.29 = 2,772.06/x
  3. Step 3: Cross multiply
    6,468.78x = 9,706.29 × 2,772.06
  4. Step 4: Simplify right side
    6,468.78x = 26,906,418.26
  5. Step 5: Solve for x
    x = 26,906,418.26/6,468.78
  6. Step 6: Final answer
    x = 4,159.43

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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.