Home / 5,188.82-7,783.14-1,293.26

Finding the Fourth Proportional to 5,188.82, 7,783.14 and 1,293.26

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Solution

The fourth proportional to 5,188.82, 7,783.14 and 1,293.26 is: 1,939.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,188.82 : 7,783.14 = 1,293.26 : x
  2. Step 2: Convert to fraction form
    5,188.82/7,783.14 = 1,293.26/x
  3. Step 3: Cross multiply
    5,188.82x = 7,783.14 × 1,293.26
  4. Step 4: Simplify right side
    5,188.82x = 10,065,623.64
  5. Step 5: Solve for x
    x = 10,065,623.64/5,188.82
  6. Step 6: Final answer
    x = 1,939.87

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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.