Home / 8,208.94-12,315.03-2,942.53

Finding the Fourth Proportional to 8,208.94, 12,315.03 and 2,942.53

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Solution

The fourth proportional to 8,208.94, 12,315.03 and 2,942.53 is: 4,414.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,208.94 : 12,315.03 = 2,942.53 : x
  2. Step 2: Convert to fraction form
    8,208.94/12,315.03 = 2,942.53/x
  3. Step 3: Cross multiply
    8,208.94x = 12,315.03 × 2,942.53
  4. Step 4: Simplify right side
    8,208.94x = 36,237,345.23
  5. Step 5: Solve for x
    x = 36,237,345.23/8,208.94
  6. Step 6: Final answer
    x = 4,414.38

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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.