Home / 5,021.81-6,929.91-2,783.73

Finding the Fourth Proportional to 5,021.81, 6,929.91 and 2,783.73

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Solution

The fourth proportional to 5,021.81, 6,929.91 and 2,783.73 is: 3,841.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,021.81 : 6,929.91 = 2,783.73 : x
  2. Step 2: Convert to fraction form
    5,021.81/6,929.91 = 2,783.73/x
  3. Step 3: Cross multiply
    5,021.81x = 6,929.91 × 2,783.73
  4. Step 4: Simplify right side
    5,021.81x = 19,290,998.36
  5. Step 5: Solve for x
    x = 19,290,998.36/5,021.81
  6. Step 6: Final answer
    x = 3,841.44

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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.