Home / 4,089.35-5,647.91-2,760.75

Finding the Fourth Proportional to 4,089.35, 5,647.91 and 2,760.75

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Solution

The fourth proportional to 4,089.35, 5,647.91 and 2,760.75 is: 3,812.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,089.35 : 5,647.91 = 2,760.75 : x
  2. Step 2: Convert to fraction form
    4,089.35/5,647.91 = 2,760.75/x
  3. Step 3: Cross multiply
    4,089.35x = 5,647.91 × 2,760.75
  4. Step 4: Simplify right side
    4,089.35x = 15,592,453.73
  5. Step 5: Solve for x
    x = 15,592,453.73/4,089.35
  6. Step 6: Final answer
    x = 3,812.94

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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.