Home / 7,757.66-11,638.28-2,563.22

Finding the Fourth Proportional to 7,757.66, 11,638.28 and 2,563.22

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Solution

The fourth proportional to 7,757.66, 11,638.28 and 2,563.22 is: 3,845.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,757.66 : 11,638.28 = 2,563.22 : x
  2. Step 2: Convert to fraction form
    7,757.66/11,638.28 = 2,563.22/x
  3. Step 3: Cross multiply
    7,757.66x = 11,638.28 × 2,563.22
  4. Step 4: Simplify right side
    7,757.66x = 29,831,420.28
  5. Step 5: Solve for x
    x = 29,831,420.28/7,757.66
  6. Step 6: Final answer
    x = 3,845.42

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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.