Home / 8,725.56-13,080.60-3,177.87

Finding the Fourth Proportional to 8,725.56, 13,080.60 and 3,177.87

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Solution

The fourth proportional to 8,725.56, 13,080.60 and 3,177.87 is: 4,763.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,725.56 : 13,080.60 = 3,177.87 : x
  2. Step 2: Convert to fraction form
    8,725.56/13,080.60 = 3,177.87/x
  3. Step 3: Cross multiply
    8,725.56x = 13,080.60 × 3,177.87
  4. Step 4: Simplify right side
    8,725.56x = 41,568,495.37
  5. Step 5: Solve for x
    x = 41,568,495.37/8,725.56
  6. Step 6: Final answer
    x = 4,763.99

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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.