Home / 5,485.24-8,226.78-2,021.68

Finding the Fourth Proportional to 5,485.24, 8,226.78 and 2,021.68

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Solution

The fourth proportional to 5,485.24, 8,226.78 and 2,021.68 is: 3,032.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,485.24 : 8,226.78 = 2,021.68 : x
  2. Step 2: Convert to fraction form
    5,485.24/8,226.78 = 2,021.68/x
  3. Step 3: Cross multiply
    5,485.24x = 8,226.78 × 2,021.68
  4. Step 4: Simplify right side
    5,485.24x = 16,631,916.59
  5. Step 5: Solve for x
    x = 16,631,916.59/5,485.24
  6. Step 6: Final answer
    x = 3,032.12

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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.