Home / 5,021.80-6,930.14-2,783.73

Finding the Fourth Proportional to 5,021.80, 6,930.14 and 2,783.73

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Solution

The fourth proportional to 5,021.80, 6,930.14 and 2,783.73 is: 3,841.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,021.80 : 6,930.14 = 2,783.73 : x
  2. Step 2: Convert to fraction form
    5,021.80/6,930.14 = 2,783.73/x
  3. Step 3: Cross multiply
    5,021.80x = 6,930.14 × 2,783.73
  4. Step 4: Simplify right side
    5,021.80x = 19,291,638.62
  5. Step 5: Solve for x
    x = 19,291,638.62/5,021.80
  6. Step 6: Final answer
    x = 3,841.58

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1.5x scale

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.