Home / 7,190.27-10,786.74-2,807.46

Finding the Fourth Proportional to 7,190.27, 10,786.74 and 2,807.46

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Solution

The fourth proportional to 7,190.27, 10,786.74 and 2,807.46 is: 4,211.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,190.27 : 10,786.74 = 2,807.46 : x
  2. Step 2: Convert to fraction form
    7,190.27/10,786.74 = 2,807.46/x
  3. Step 3: Cross multiply
    7,190.27x = 10,786.74 × 2,807.46
  4. Step 4: Simplify right side
    7,190.27x = 30,283,330.55
  5. Step 5: Solve for x
    x = 30,283,330.55/7,190.27
  6. Step 6: Final answer
    x = 4,211.71

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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.