Home / 7,223.45-9,968.27-4,079.70

Finding the Fourth Proportional to 7,223.45, 9,968.27 and 4,079.70

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Solution

The fourth proportional to 7,223.45, 9,968.27 and 4,079.70 is: 5,629.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,223.45 : 9,968.27 = 4,079.70 : x
  2. Step 2: Convert to fraction form
    7,223.45/9,968.27 = 4,079.70/x
  3. Step 3: Cross multiply
    7,223.45x = 9,968.27 × 4,079.70
  4. Step 4: Simplify right side
    7,223.45x = 40,667,530.72
  5. Step 5: Solve for x
    x = 40,667,530.72/7,223.45
  6. Step 6: Final answer
    x = 5,629.94

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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.