Home / 7,954.06-11,930.88-2,110.72

Finding the Fourth Proportional to 7,954.06, 11,930.88 and 2,110.72

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Solution

The fourth proportional to 7,954.06, 11,930.88 and 2,110.72 is: 3,166.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,954.06 : 11,930.88 = 2,110.72 : x
  2. Step 2: Convert to fraction form
    7,954.06/11,930.88 = 2,110.72/x
  3. Step 3: Cross multiply
    7,954.06x = 11,930.88 × 2,110.72
  4. Step 4: Simplify right side
    7,954.06x = 25,182,747.03
  5. Step 5: Solve for x
    x = 25,182,747.03/7,954.06
  6. Step 6: Final answer
    x = 3,166.02

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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.