Home / 8,055.45-12,080.28-2,789.03

Finding the Fourth Proportional to 8,055.45, 12,080.28 and 2,789.03

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Solution

The fourth proportional to 8,055.45, 12,080.28 and 2,789.03 is: 4,182.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,055.45 : 12,080.28 = 2,789.03 : x
  2. Step 2: Convert to fraction form
    8,055.45/12,080.28 = 2,789.03/x
  3. Step 3: Cross multiply
    8,055.45x = 12,080.28 × 2,789.03
  4. Step 4: Simplify right side
    8,055.45x = 33,692,263.33
  5. Step 5: Solve for x
    x = 33,692,263.33/8,055.45
  6. Step 6: Final answer
    x = 4,182.54

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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.