Home / 5,218.73-7,829.37-1,708.94

Finding the Fourth Proportional to 5,218.73, 7,829.37 and 1,708.94

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Solution

The fourth proportional to 5,218.73, 7,829.37 and 1,708.94 is: 2,563.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,218.73 : 7,829.37 = 1,708.94 : x
  2. Step 2: Convert to fraction form
    5,218.73/7,829.37 = 1,708.94/x
  3. Step 3: Cross multiply
    5,218.73x = 7,829.37 × 1,708.94
  4. Step 4: Simplify right side
    5,218.73x = 13,379,884.42
  5. Step 5: Solve for x
    x = 13,379,884.42/5,218.73
  6. Step 6: Final answer
    x = 2,563.82

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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.