Home / 5,490.15-8,221.13-3,022.22

Finding the Fourth Proportional to 5,490.15, 8,221.13 and 3,022.22

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Solution

The fourth proportional to 5,490.15, 8,221.13 and 3,022.22 is: 4,525.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,490.15 : 8,221.13 = 3,022.22 : x
  2. Step 2: Convert to fraction form
    5,490.15/8,221.13 = 3,022.22/x
  3. Step 3: Cross multiply
    5,490.15x = 8,221.13 × 3,022.22
  4. Step 4: Simplify right side
    5,490.15x = 24,846,007.29
  5. Step 5: Solve for x
    x = 24,846,007.29/5,490.15
  6. Step 6: Final answer
    x = 4,525.56

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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.