Home / 8,636.49-12,955.14-2,793.56

Finding the Fourth Proportional to 8,636.49, 12,955.14 and 2,793.56

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Solution

The fourth proportional to 8,636.49, 12,955.14 and 2,793.56 is: 4,190.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,636.49 : 12,955.14 = 2,793.56 : x
  2. Step 2: Convert to fraction form
    8,636.49/12,955.14 = 2,793.56/x
  3. Step 3: Cross multiply
    8,636.49x = 12,955.14 × 2,793.56
  4. Step 4: Simplify right side
    8,636.49x = 36,190,896.12
  5. Step 5: Solve for x
    x = 36,190,896.12/8,636.49
  6. Step 6: Final answer
    x = 4,190.46

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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.