Home / 6,131.21-9,194.51-1,970.15

Finding the Fourth Proportional to 6,131.21, 9,194.51 and 1,970.15

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Solution

The fourth proportional to 6,131.21, 9,194.51 and 1,970.15 is: 2,954.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,131.21 : 9,194.51 = 1,970.15 : x
  2. Step 2: Convert to fraction form
    6,131.21/9,194.51 = 1,970.15/x
  3. Step 3: Cross multiply
    6,131.21x = 9,194.51 × 1,970.15
  4. Step 4: Simplify right side
    6,131.21x = 18,114,508.05
  5. Step 5: Solve for x
    x = 18,114,508.05/6,131.21
  6. Step 6: Final answer
    x = 2,954.48

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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.