Home / 4,090.82-6,137.22-1,317.76

Finding the Fourth Proportional to 4,090.82, 6,137.22 and 1,317.76

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Solution

The fourth proportional to 4,090.82, 6,137.22 and 1,317.76 is: 1,976.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,090.82 : 6,137.22 = 1,317.76 : x
  2. Step 2: Convert to fraction form
    4,090.82/6,137.22 = 1,317.76/x
  3. Step 3: Cross multiply
    4,090.82x = 6,137.22 × 1,317.76
  4. Step 4: Simplify right side
    4,090.82x = 8,087,383.03
  5. Step 5: Solve for x
    x = 8,087,383.03/4,090.82
  6. Step 6: Final answer
    x = 1,976.96

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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.