Home / 7,742.71-11,610.16-3,794.26

Finding the Fourth Proportional to 7,742.71, 11,610.16 and 3,794.26

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Solution

The fourth proportional to 7,742.71, 11,610.16 and 3,794.26 is: 5,689.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,742.71 : 11,610.16 = 3,794.26 : x
  2. Step 2: Convert to fraction form
    7,742.71/11,610.16 = 3,794.26/x
  3. Step 3: Cross multiply
    7,742.71x = 11,610.16 × 3,794.26
  4. Step 4: Simplify right side
    7,742.71x = 44,051,965.68
  5. Step 5: Solve for x
    x = 44,051,965.68/7,742.71
  6. Step 6: Final answer
    x = 5,689.48

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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.