Home / 4,115.58-5,670.63-2,786.96

Finding the Fourth Proportional to 4,115.58, 5,670.63 and 2,786.96

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Solution

The fourth proportional to 4,115.58, 5,670.63 and 2,786.96 is: 3,839.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,115.58 : 5,670.63 = 2,786.96 : x
  2. Step 2: Convert to fraction form
    4,115.58/5,670.63 = 2,786.96/x
  3. Step 3: Cross multiply
    4,115.58x = 5,670.63 × 2,786.96
  4. Step 4: Simplify right side
    4,115.58x = 15,803,790.63
  5. Step 5: Solve for x
    x = 15,803,790.63/4,115.58
  6. Step 6: Final answer
    x = 3,839.99

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.