Home / 5,458.88-8,189.84-1,996.48

Finding the Fourth Proportional to 5,458.88, 8,189.84 and 1,996.48

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Solution

The fourth proportional to 5,458.88, 8,189.84 and 1,996.48 is: 2,995.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,458.88 : 8,189.84 = 1,996.48 : x
  2. Step 2: Convert to fraction form
    5,458.88/8,189.84 = 1,996.48/x
  3. Step 3: Cross multiply
    5,458.88x = 8,189.84 × 1,996.48
  4. Step 4: Simplify right side
    5,458.88x = 16,350,851.76
  5. Step 5: Solve for x
    x = 16,350,851.76/5,458.88
  6. Step 6: Final answer
    x = 2,995.28

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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.