Home / 7,742.76-11,615.94-2,548.68

Finding the Fourth Proportional to 7,742.76, 11,615.94 and 2,548.68

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Solution

The fourth proportional to 7,742.76, 11,615.94 and 2,548.68 is: 3,823.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,742.76 : 11,615.94 = 2,548.68 : x
  2. Step 2: Convert to fraction form
    7,742.76/11,615.94 = 2,548.68/x
  3. Step 3: Cross multiply
    7,742.76x = 11,615.94 × 2,548.68
  4. Step 4: Simplify right side
    7,742.76x = 29,605,313.96
  5. Step 5: Solve for x
    x = 29,605,313.96/7,742.76
  6. Step 6: Final answer
    x = 3,823.61

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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.