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Finding the Fourth Proportional to 5,855.25, 8,769.07 and 5,081.57

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Solution

The fourth proportional to 5,855.25, 8,769.07 and 5,081.57 is: 7,610.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,855.25 : 8,769.07 = 5,081.57 : x
  2. Step 2: Convert to fraction form
    5,855.25/8,769.07 = 5,081.57/x
  3. Step 3: Cross multiply
    5,855.25x = 8,769.07 × 5,081.57
  4. Step 4: Simplify right side
    5,855.25x = 44,560,573.79
  5. Step 5: Solve for x
    x = 44,560,573.79/5,855.25
  6. Step 6: Final answer
    x = 7,610.36

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1.5x scale

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.