Home / 8,680.05-13,022.10-2,836.71

Finding the Fourth Proportional to 8,680.05, 13,022.10 and 2,836.71

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Solution

The fourth proportional to 8,680.05, 13,022.10 and 2,836.71 is: 4,255.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,680.05 : 13,022.10 = 2,836.71 : x
  2. Step 2: Convert to fraction form
    8,680.05/13,022.10 = 2,836.71/x
  3. Step 3: Cross multiply
    8,680.05x = 13,022.10 × 2,836.71
  4. Step 4: Simplify right side
    8,680.05x = 36,939,921.29
  5. Step 5: Solve for x
    x = 36,939,921.29/8,680.05
  6. Step 6: Final answer
    x = 4,255.73

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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.