Home / 5,192.20-7,788.36-2,999.60

Finding the Fourth Proportional to 5,192.20, 7,788.36 and 2,999.60

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Solution

The fourth proportional to 5,192.20, 7,788.36 and 2,999.60 is: 4,499.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,192.20 : 7,788.36 = 2,999.60 : x
  2. Step 2: Convert to fraction form
    5,192.20/7,788.36 = 2,999.60/x
  3. Step 3: Cross multiply
    5,192.20x = 7,788.36 × 2,999.60
  4. Step 4: Simplify right side
    5,192.20x = 23,361,964.66
  5. Step 5: Solve for x
    x = 23,361,964.66/5,192.20
  6. Step 6: Final answer
    x = 4,499.43

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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.