Home / 5,623.41-7,760.26-3,105.49

Finding the Fourth Proportional to 5,623.41, 7,760.26 and 3,105.49

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Solution

The fourth proportional to 5,623.41, 7,760.26 and 3,105.49 is: 4,285.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,623.41 : 7,760.26 = 3,105.49 : x
  2. Step 2: Convert to fraction form
    5,623.41/7,760.26 = 3,105.49/x
  3. Step 3: Cross multiply
    5,623.41x = 7,760.26 × 3,105.49
  4. Step 4: Simplify right side
    5,623.41x = 24,099,391.39
  5. Step 5: Solve for x
    x = 24,099,391.39/5,623.41
  6. Step 6: Final answer
    x = 4,285.55

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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.