Home / 7,781.41-11,673.84-2,850.94

Finding the Fourth Proportional to 7,781.41, 11,673.84 and 2,850.94

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Solution

The fourth proportional to 7,781.41, 11,673.84 and 2,850.94 is: 4,277.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,781.41 : 11,673.84 = 2,850.94 : x
  2. Step 2: Convert to fraction form
    7,781.41/11,673.84 = 2,850.94/x
  3. Step 3: Cross multiply
    7,781.41x = 11,673.84 × 2,850.94
  4. Step 4: Simplify right side
    7,781.41x = 33,281,417.41
  5. Step 5: Solve for x
    x = 33,281,417.41/7,781.41
  6. Step 6: Final answer
    x = 4,277.04

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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.