Home / 5,485.08-8,222.70-2,021.52

Finding the Fourth Proportional to 5,485.08, 8,222.70 and 2,021.52

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Solution

The fourth proportional to 5,485.08, 8,222.70 and 2,021.52 is: 3,030.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,485.08 : 8,222.70 = 2,021.52 : x
  2. Step 2: Convert to fraction form
    5,485.08/8,222.70 = 2,021.52/x
  3. Step 3: Cross multiply
    5,485.08x = 8,222.70 × 2,021.52
  4. Step 4: Simplify right side
    5,485.08x = 16,622,352.50
  5. Step 5: Solve for x
    x = 16,622,352.50/5,485.08
  6. Step 6: Final answer
    x = 3,030.47

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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.