Home / 5,635.56-8,447.37-2,124.05

Finding the Fourth Proportional to 5,635.56, 8,447.37 and 2,124.05

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Solution

The fourth proportional to 5,635.56, 8,447.37 and 2,124.05 is: 3,183.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,635.56 : 8,447.37 = 2,124.05 : x
  2. Step 2: Convert to fraction form
    5,635.56/8,447.37 = 2,124.05/x
  3. Step 3: Cross multiply
    5,635.56x = 8,447.37 × 2,124.05
  4. Step 4: Simplify right side
    5,635.56x = 17,942,594.01
  5. Step 5: Solve for x
    x = 17,942,594.01/5,635.56
  6. Step 6: Final answer
    x = 3,183.82

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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.