Home / 5,490.15-8,234.64-2,202.36

Finding the Fourth Proportional to 5,490.15, 8,234.64 and 2,202.36

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Solution

The fourth proportional to 5,490.15, 8,234.64 and 2,202.36 is: 3,303.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,490.15 : 8,234.64 = 2,202.36 : x
  2. Step 2: Convert to fraction form
    5,490.15/8,234.64 = 2,202.36/x
  3. Step 3: Cross multiply
    5,490.15x = 8,234.64 × 2,202.36
  4. Step 4: Simplify right side
    5,490.15x = 18,135,641.75
  5. Step 5: Solve for x
    x = 18,135,641.75/5,490.15
  6. Step 6: Final answer
    x = 3,303.31

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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.