Home / 5,550.20-8,325.30-4,993.40

Finding the Fourth Proportional to 5,550.20, 8,325.30 and 4,993.40

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Solution

The fourth proportional to 5,550.20, 8,325.30 and 4,993.40 is: 7,490.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,550.20 : 8,325.30 = 4,993.40 : x
  2. Step 2: Convert to fraction form
    5,550.20/8,325.30 = 4,993.40/x
  3. Step 3: Cross multiply
    5,550.20x = 8,325.30 × 4,993.40
  4. Step 4: Simplify right side
    5,550.20x = 41,571,553.02
  5. Step 5: Solve for x
    x = 41,571,553.02/5,550.20
  6. Step 6: Final answer
    x = 7,490.10

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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.