Home / 7,223.07-9,968.73-4,079.25

Finding the Fourth Proportional to 7,223.07, 9,968.73 and 4,079.25

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Solution

The fourth proportional to 7,223.07, 9,968.73 and 4,079.25 is: 5,629.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,223.07 : 9,968.73 = 4,079.25 : x
  2. Step 2: Convert to fraction form
    7,223.07/9,968.73 = 4,079.25/x
  3. Step 3: Cross multiply
    7,223.07x = 9,968.73 × 4,079.25
  4. Step 4: Simplify right side
    7,223.07x = 40,664,941.85
  5. Step 5: Solve for x
    x = 40,664,941.85/7,223.07
  6. Step 6: Final answer
    x = 5,629.87

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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.