Home / 7,188.25-10,786.48-2,804.68

Finding the Fourth Proportional to 7,188.25, 10,786.48 and 2,804.68

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Solution

The fourth proportional to 7,188.25, 10,786.48 and 2,804.68 is: 4,208.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,188.25 : 10,786.48 = 2,804.68 : x
  2. Step 2: Convert to fraction form
    7,188.25/10,786.48 = 2,804.68/x
  3. Step 3: Cross multiply
    7,188.25x = 10,786.48 × 2,804.68
  4. Step 4: Simplify right side
    7,188.25x = 30,252,624.73
  5. Step 5: Solve for x
    x = 30,252,624.73/7,188.25
  6. Step 6: Final answer
    x = 4,208.62

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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.