Home / 7,940.66-11,911.35-2,746.94

Finding the Fourth Proportional to 7,940.66, 11,911.35 and 2,746.94

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Solution

The fourth proportional to 7,940.66, 11,911.35 and 2,746.94 is: 4,120.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,940.66 : 11,911.35 = 2,746.94 : x
  2. Step 2: Convert to fraction form
    7,940.66/11,911.35 = 2,746.94/x
  3. Step 3: Cross multiply
    7,940.66x = 11,911.35 × 2,746.94
  4. Step 4: Simplify right side
    7,940.66x = 32,719,763.77
  5. Step 5: Solve for x
    x = 32,719,763.77/7,940.66
  6. Step 6: Final answer
    x = 4,120.53

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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.