Home / 8,576.20-12,865.26-2,731.46

Finding the Fourth Proportional to 8,576.20, 12,865.26 and 2,731.46

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Solution

The fourth proportional to 8,576.20, 12,865.26 and 2,731.46 is: 4,097.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,576.20 : 12,865.26 = 2,731.46 : x
  2. Step 2: Convert to fraction form
    8,576.20/12,865.26 = 2,731.46/x
  3. Step 3: Cross multiply
    8,576.20x = 12,865.26 × 2,731.46
  4. Step 4: Simplify right side
    8,576.20x = 35,140,943.08
  5. Step 5: Solve for x
    x = 35,140,943.08/8,576.20
  6. Step 6: Final answer
    x = 4,097.50

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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.