Home / 7,222.78-9,968.58-4,391.04

Finding the Fourth Proportional to 7,222.78, 9,968.58 and 4,391.04

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Solution

The fourth proportional to 7,222.78, 9,968.58 and 4,391.04 is: 6,060.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,222.78 : 9,968.58 = 4,391.04 : x
  2. Step 2: Convert to fraction form
    7,222.78/9,968.58 = 4,391.04/x
  3. Step 3: Cross multiply
    7,222.78x = 9,968.58 × 4,391.04
  4. Step 4: Simplify right side
    7,222.78x = 43,772,450.98
  5. Step 5: Solve for x
    x = 43,772,450.98/7,222.78
  6. Step 6: Final answer
    x = 6,060.33

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1.5x scale

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.