Home / 5,194.17-7,791.21-3,114.81

Finding the Fourth Proportional to 5,194.17, 7,791.21 and 3,114.81

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Solution

The fourth proportional to 5,194.17, 7,791.21 and 3,114.81 is: 4,672.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,194.17 : 7,791.21 = 3,114.81 : x
  2. Step 2: Convert to fraction form
    5,194.17/7,791.21 = 3,114.81/x
  3. Step 3: Cross multiply
    5,194.17x = 7,791.21 × 3,114.81
  4. Step 4: Simplify right side
    5,194.17x = 24,268,138.82
  5. Step 5: Solve for x
    x = 24,268,138.82/5,194.17
  6. Step 6: Final answer
    x = 4,672.19

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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.