Home / 8,632.35-12,945.27-2,787.39

Finding the Fourth Proportional to 8,632.35, 12,945.27 and 2,787.39

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Solution

The fourth proportional to 8,632.35, 12,945.27 and 2,787.39 is: 4,180.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,632.35 : 12,945.27 = 2,787.39 : x
  2. Step 2: Convert to fraction form
    8,632.35/12,945.27 = 2,787.39/x
  3. Step 3: Cross multiply
    8,632.35x = 12,945.27 × 2,787.39
  4. Step 4: Simplify right side
    8,632.35x = 36,083,516.15
  5. Step 5: Solve for x
    x = 36,083,516.15/8,632.35
  6. Step 6: Final answer
    x = 4,180.03

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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.