Home / 6,040.20-9,055.80-3,120.60

Finding the Fourth Proportional to 6,040.20, 9,055.80 and 3,120.60

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Solution

The fourth proportional to 6,040.20, 9,055.80 and 3,120.60 is: 4,678.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,040.20 : 9,055.80 = 3,120.60 : x
  2. Step 2: Convert to fraction form
    6,040.20/9,055.80 = 3,120.60/x
  3. Step 3: Cross multiply
    6,040.20x = 9,055.80 × 3,120.60
  4. Step 4: Simplify right side
    6,040.20x = 28,259,529.48
  5. Step 5: Solve for x
    x = 28,259,529.48/6,040.20
  6. Step 6: Final answer
    x = 4,678.58

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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.