Home / 7,786.81-11,682.37-4,493.89

Finding the Fourth Proportional to 7,786.81, 11,682.37 and 4,493.89

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Solution

The fourth proportional to 7,786.81, 11,682.37 and 4,493.89 is: 6,742.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,786.81 : 11,682.37 = 4,493.89 : x
  2. Step 2: Convert to fraction form
    7,786.81/11,682.37 = 4,493.89/x
  3. Step 3: Cross multiply
    7,786.81x = 11,682.37 × 4,493.89
  4. Step 4: Simplify right side
    7,786.81x = 52,499,227.31
  5. Step 5: Solve for x
    x = 52,499,227.31/7,786.81
  6. Step 6: Final answer
    x = 6,742.08

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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.