Home / 7,946.41-11,918.18-2,680.69

Finding the Fourth Proportional to 7,946.41, 11,918.18 and 2,680.69

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Solution

The fourth proportional to 7,946.41, 11,918.18 and 2,680.69 is: 4,020.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,946.41 : 11,918.18 = 2,680.69 : x
  2. Step 2: Convert to fraction form
    7,946.41/11,918.18 = 2,680.69/x
  3. Step 3: Cross multiply
    7,946.41x = 11,918.18 × 2,680.69
  4. Step 4: Simplify right side
    7,946.41x = 31,948,932.54
  5. Step 5: Solve for x
    x = 31,948,932.54/7,946.41
  6. Step 6: Final answer
    x = 4,020.55

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1.5x scale

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.