Home / 7,211.37-10,811.07-3,054.63

Finding the Fourth Proportional to 7,211.37, 10,811.07 and 3,054.63

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Solution

The fourth proportional to 7,211.37, 10,811.07 and 3,054.63 is: 4,579.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,211.37 : 10,811.07 = 3,054.63 : x
  2. Step 2: Convert to fraction form
    7,211.37/10,811.07 = 3,054.63/x
  3. Step 3: Cross multiply
    7,211.37x = 10,811.07 × 3,054.63
  4. Step 4: Simplify right side
    7,211.37x = 33,023,818.75
  5. Step 5: Solve for x
    x = 33,023,818.75/7,211.37
  6. Step 6: Final answer
    x = 4,579.41

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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.