Home / 5,551.05-7,647.43-3,869.43

Finding the Fourth Proportional to 5,551.05, 7,647.43 and 3,869.43

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Solution

The fourth proportional to 5,551.05, 7,647.43 and 3,869.43 is: 5,330.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,551.05 : 7,647.43 = 3,869.43 : x
  2. Step 2: Convert to fraction form
    5,551.05/7,647.43 = 3,869.43/x
  3. Step 3: Cross multiply
    5,551.05x = 7,647.43 × 3,869.43
  4. Step 4: Simplify right side
    5,551.05x = 29,591,195.06
  5. Step 5: Solve for x
    x = 29,591,195.06/5,551.05
  6. Step 6: Final answer
    x = 5,330.74

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Why These Related Problems?

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