Home / 7,946.57-11,920.37-2,682.11

Finding the Fourth Proportional to 7,946.57, 11,920.37 and 2,682.11

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Solution

The fourth proportional to 7,946.57, 11,920.37 and 2,682.11 is: 4,023.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,946.57 : 11,920.37 = 2,682.11 : x
  2. Step 2: Convert to fraction form
    7,946.57/11,920.37 = 2,682.11/x
  3. Step 3: Cross multiply
    7,946.57x = 11,920.37 × 2,682.11
  4. Step 4: Simplify right side
    7,946.57x = 31,971,759.97
  5. Step 5: Solve for x
    x = 31,971,759.97/7,946.57
  6. Step 6: Final answer
    x = 4,023.34

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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.