Home / 5,485.02-8,223.69-2,021.34

Finding the Fourth Proportional to 5,485.02, 8,223.69 and 2,021.34

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Solution

The fourth proportional to 5,485.02, 8,223.69 and 2,021.34 is: 3,030.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,485.02 : 8,223.69 = 2,021.34 : x
  2. Step 2: Convert to fraction form
    5,485.02/8,223.69 = 2,021.34/x
  3. Step 3: Cross multiply
    5,485.02x = 8,223.69 × 2,021.34
  4. Step 4: Simplify right side
    5,485.02x = 16,622,873.54
  5. Step 5: Solve for x
    x = 16,622,873.54/5,485.02
  6. Step 6: Final answer
    x = 3,030.59

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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.