Home / 8,726.22-13,090.14-3,180.15

Finding the Fourth Proportional to 8,726.22, 13,090.14 and 3,180.15

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Solution

The fourth proportional to 8,726.22, 13,090.14 and 3,180.15 is: 4,770.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,726.22 : 13,090.14 = 3,180.15 : x
  2. Step 2: Convert to fraction form
    8,726.22/13,090.14 = 3,180.15/x
  3. Step 3: Cross multiply
    8,726.22x = 13,090.14 × 3,180.15
  4. Step 4: Simplify right side
    8,726.22x = 41,628,608.72
  5. Step 5: Solve for x
    x = 41,628,608.72/8,726.22
  6. Step 6: Final answer
    x = 4,770.52

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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.