Home / 7,334.60-11,003.51-2,140.88

Finding the Fourth Proportional to 7,334.60, 11,003.51 and 2,140.88

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Solution

The fourth proportional to 7,334.60, 11,003.51 and 2,140.88 is: 3,211.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,334.60 : 11,003.51 = 2,140.88 : x
  2. Step 2: Convert to fraction form
    7,334.60/11,003.51 = 2,140.88/x
  3. Step 3: Cross multiply
    7,334.60x = 11,003.51 × 2,140.88
  4. Step 4: Simplify right side
    7,334.60x = 23,557,144.82
  5. Step 5: Solve for x
    x = 23,557,144.82/7,334.60
  6. Step 6: Final answer
    x = 3,211.79

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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.