Home / 4,786.22-7,180.34-2,415.65

Finding the Fourth Proportional to 4,786.22, 7,180.34 and 2,415.65

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Solution

The fourth proportional to 4,786.22, 7,180.34 and 2,415.65 is: 3,623.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,786.22 : 7,180.34 = 2,415.65 : x
  2. Step 2: Convert to fraction form
    4,786.22/7,180.34 = 2,415.65/x
  3. Step 3: Cross multiply
    4,786.22x = 7,180.34 × 2,415.65
  4. Step 4: Simplify right side
    4,786.22x = 17,345,140.34
  5. Step 5: Solve for x
    x = 17,345,140.34/4,786.22
  6. Step 6: Final answer
    x = 3,623.98

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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.