Home / 5,293.82-7,939.38-1,783.28

Finding the Fourth Proportional to 5,293.82, 7,939.38 and 1,783.28

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Solution

The fourth proportional to 5,293.82, 7,939.38 and 1,783.28 is: 2,674.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,293.82 : 7,939.38 = 1,783.28 : x
  2. Step 2: Convert to fraction form
    5,293.82/7,939.38 = 1,783.28/x
  3. Step 3: Cross multiply
    5,293.82x = 7,939.38 × 1,783.28
  4. Step 4: Simplify right side
    5,293.82x = 14,158,137.57
  5. Step 5: Solve for x
    x = 14,158,137.57/5,293.82
  6. Step 6: Final answer
    x = 2,674.47

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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.