Home / 5,525.49-8,289.61-1,629.90

Finding the Fourth Proportional to 5,525.49, 8,289.61 and 1,629.90

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Solution

The fourth proportional to 5,525.49, 8,289.61 and 1,629.90 is: 2,445.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,525.49 : 8,289.61 = 1,629.90 : x
  2. Step 2: Convert to fraction form
    5,525.49/8,289.61 = 1,629.90/x
  3. Step 3: Cross multiply
    5,525.49x = 8,289.61 × 1,629.90
  4. Step 4: Simplify right side
    5,525.49x = 13,511,231.26
  5. Step 5: Solve for x
    x = 13,511,231.26/5,525.49
  6. Step 6: Final answer
    x = 2,445.25

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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.