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Finding the Fourth Proportional to 3,817.39, 5,697.11 and 3,718.98

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Solution

The fourth proportional to 3,817.39, 5,697.11 and 3,718.98 is: 5,550.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,817.39 : 5,697.11 = 3,718.98 : x
  2. Step 2: Convert to fraction form
    3,817.39/5,697.11 = 3,718.98/x
  3. Step 3: Cross multiply
    3,817.39x = 5,697.11 × 3,718.98
  4. Step 4: Simplify right side
    3,817.39x = 21,187,438.15
  5. Step 5: Solve for x
    x = 21,187,438.15/3,817.39
  6. Step 6: Final answer
    x = 5,550.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.