Home / 8,055.44-12,081.72-2,132.36

Finding the Fourth Proportional to 8,055.44, 12,081.72 and 2,132.36

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Solution

The fourth proportional to 8,055.44, 12,081.72 and 2,132.36 is: 3,198.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,055.44 : 12,081.72 = 2,132.36 : x
  2. Step 2: Convert to fraction form
    8,055.44/12,081.72 = 2,132.36/x
  3. Step 3: Cross multiply
    8,055.44x = 12,081.72 × 2,132.36
  4. Step 4: Simplify right side
    8,055.44x = 25,762,576.46
  5. Step 5: Solve for x
    x = 25,762,576.46/8,055.44
  6. Step 6: Final answer
    x = 3,198.16

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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.