Home / 5,623.37-7,760.28-3,105.43

Finding the Fourth Proportional to 5,623.37, 7,760.28 and 3,105.43

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Solution

The fourth proportional to 5,623.37, 7,760.28 and 3,105.43 is: 4,285.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,623.37 : 7,760.28 = 3,105.43 : x
  2. Step 2: Convert to fraction form
    5,623.37/7,760.28 = 3,105.43/x
  3. Step 3: Cross multiply
    5,623.37x = 7,760.28 × 3,105.43
  4. Step 4: Simplify right side
    5,623.37x = 24,099,006.32
  5. Step 5: Solve for x
    x = 24,099,006.32/5,623.37
  6. Step 6: Final answer
    x = 4,285.51

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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.