Home / 7,805.25-10,771.29-5,010.75

Finding the Fourth Proportional to 7,805.25, 10,771.29 and 5,010.75

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Solution

The fourth proportional to 7,805.25, 10,771.29 and 5,010.75 is: 6,914.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,805.25 : 10,771.29 = 5,010.75 : x
  2. Step 2: Convert to fraction form
    7,805.25/10,771.29 = 5,010.75/x
  3. Step 3: Cross multiply
    7,805.25x = 10,771.29 × 5,010.75
  4. Step 4: Simplify right side
    7,805.25x = 53,972,241.37
  5. Step 5: Solve for x
    x = 53,972,241.37/7,805.25
  6. Step 6: Final answer
    x = 6,914.86

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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.