Home / 5,218.39-7,817.14-3,137.27

Finding the Fourth Proportional to 5,218.39, 7,817.14 and 3,137.27

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Solution

The fourth proportional to 5,218.39, 7,817.14 and 3,137.27 is: 4,699.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,218.39 : 7,817.14 = 3,137.27 : x
  2. Step 2: Convert to fraction form
    5,218.39/7,817.14 = 3,137.27/x
  3. Step 3: Cross multiply
    5,218.39x = 7,817.14 × 3,137.27
  4. Step 4: Simplify right side
    5,218.39x = 24,524,478.81
  5. Step 5: Solve for x
    x = 24,524,478.81/5,218.39
  6. Step 6: Final answer
    x = 4,699.63

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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.