Home / 5,241.38-7,858.64-2,777.36

Finding the Fourth Proportional to 5,241.38, 7,858.64 and 2,777.36

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Solution

The fourth proportional to 5,241.38, 7,858.64 and 2,777.36 is: 4,164.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,241.38 : 7,858.64 = 2,777.36 : x
  2. Step 2: Convert to fraction form
    5,241.38/7,858.64 = 2,777.36/x
  3. Step 3: Cross multiply
    5,241.38x = 7,858.64 × 2,777.36
  4. Step 4: Simplify right side
    5,241.38x = 21,826,240.04
  5. Step 5: Solve for x
    x = 21,826,240.04/5,241.38
  6. Step 6: Final answer
    x = 4,164.22

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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.