Home / 6,923.60-10,378.15-3,222.79

Finding the Fourth Proportional to 6,923.60, 10,378.15 and 3,222.79

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Solution

The fourth proportional to 6,923.60, 10,378.15 and 3,222.79 is: 4,830.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,923.60 : 10,378.15 = 3,222.79 : x
  2. Step 2: Convert to fraction form
    6,923.60/10,378.15 = 3,222.79/x
  3. Step 3: Cross multiply
    6,923.60x = 10,378.15 × 3,222.79
  4. Step 4: Simplify right side
    6,923.60x = 33,446,573.10
  5. Step 5: Solve for x
    x = 33,446,573.10/6,923.60
  6. Step 6: Final answer
    x = 4,830.81

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1.5x scale

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.