Home / 4,090.82-6,137.07-1,316.66

Finding the Fourth Proportional to 4,090.82, 6,137.07 and 1,316.66

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Solution

The fourth proportional to 4,090.82, 6,137.07 and 1,316.66 is: 1,975.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,090.82 : 6,137.07 = 1,316.66 : x
  2. Step 2: Convert to fraction form
    4,090.82/6,137.07 = 1,316.66/x
  3. Step 3: Cross multiply
    4,090.82x = 6,137.07 × 1,316.66
  4. Step 4: Simplify right side
    4,090.82x = 8,080,434.59
  5. Step 5: Solve for x
    x = 8,080,434.59/4,090.82
  6. Step 6: Final answer
    x = 1,975.26

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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.