Home / 7,451.12-11,177.84-2,255.76

Finding the Fourth Proportional to 7,451.12, 11,177.84 and 2,255.76

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Solution

The fourth proportional to 7,451.12, 11,177.84 and 2,255.76 is: 3,383.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,451.12 : 11,177.84 = 2,255.76 : x
  2. Step 2: Convert to fraction form
    7,451.12/11,177.84 = 2,255.76/x
  3. Step 3: Cross multiply
    7,451.12x = 11,177.84 × 2,255.76
  4. Step 4: Simplify right side
    7,451.12x = 25,214,524.36
  5. Step 5: Solve for x
    x = 25,214,524.36/7,451.12
  6. Step 6: Final answer
    x = 3,383.99

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.