Home / 5,021.88-6,930.61-2,784.46

Finding the Fourth Proportional to 5,021.88, 6,930.61 and 2,784.46

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Solution

The fourth proportional to 5,021.88, 6,930.61 and 2,784.46 is: 3,842.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,021.88 : 6,930.61 = 2,784.46 : x
  2. Step 2: Convert to fraction form
    5,021.88/6,930.61 = 2,784.46/x
  3. Step 3: Cross multiply
    5,021.88x = 6,930.61 × 2,784.46
  4. Step 4: Simplify right side
    5,021.88x = 19,297,957.75
  5. Step 5: Solve for x
    x = 19,297,957.75/5,021.88
  6. Step 6: Final answer
    x = 3,842.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.