Home / 7,946.07-11,919.09-2,751.95

Finding the Fourth Proportional to 7,946.07, 11,919.09 and 2,751.95

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Solution

The fourth proportional to 7,946.07, 11,919.09 and 2,751.95 is: 4,127.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,946.07 : 11,919.09 = 2,751.95 : x
  2. Step 2: Convert to fraction form
    7,946.07/11,919.09 = 2,751.95/x
  3. Step 3: Cross multiply
    7,946.07x = 11,919.09 × 2,751.95
  4. Step 4: Simplify right side
    7,946.07x = 32,800,680.13
  5. Step 5: Solve for x
    x = 32,800,680.13/7,946.07
  6. Step 6: Final answer
    x = 4,127.91

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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.