Home / 6,972.78-9,622.66-3,829.04

Finding the Fourth Proportional to 6,972.78, 9,622.66 and 3,829.04

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Solution

The fourth proportional to 6,972.78, 9,622.66 and 3,829.04 is: 5,284.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,972.78 : 9,622.66 = 3,829.04 : x
  2. Step 2: Convert to fraction form
    6,972.78/9,622.66 = 3,829.04/x
  3. Step 3: Cross multiply
    6,972.78x = 9,622.66 × 3,829.04
  4. Step 4: Simplify right side
    6,972.78x = 36,845,550.05
  5. Step 5: Solve for x
    x = 36,845,550.05/6,972.78
  6. Step 6: Final answer
    x = 5,284.20

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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.