Home / 7,946.46-11,918.32-2,103.66

Finding the Fourth Proportional to 7,946.46, 11,918.32 and 2,103.66

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Solution

The fourth proportional to 7,946.46, 11,918.32 and 2,103.66 is: 3,155.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,946.46 : 11,918.32 = 2,103.66 : x
  2. Step 2: Convert to fraction form
    7,946.46/11,918.32 = 2,103.66/x
  3. Step 3: Cross multiply
    7,946.46x = 11,918.32 × 2,103.66
  4. Step 4: Simplify right side
    7,946.46x = 25,072,093.05
  5. Step 5: Solve for x
    x = 25,072,093.05/7,946.46
  6. Step 6: Final answer
    x = 3,155.13

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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.