Home / 5,020.97-6,929.19-2,783.09

Finding the Fourth Proportional to 5,020.97, 6,929.19 and 2,783.09

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Solution

The fourth proportional to 5,020.97, 6,929.19 and 2,783.09 is: 3,840.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,020.97 : 6,929.19 = 2,783.09 : x
  2. Step 2: Convert to fraction form
    5,020.97/6,929.19 = 2,783.09/x
  3. Step 3: Cross multiply
    5,020.97x = 6,929.19 × 2,783.09
  4. Step 4: Simplify right side
    5,020.97x = 19,284,559.40
  5. Step 5: Solve for x
    x = 19,284,559.40/5,020.97
  6. Step 6: Final answer
    x = 3,840.80

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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.