Home / 8,757.45-13,130.88-3,493.26

Finding the Fourth Proportional to 8,757.45, 13,130.88 and 3,493.26

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Solution

The fourth proportional to 8,757.45, 13,130.88 and 3,493.26 is: 5,237.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,757.45 : 13,130.88 = 3,493.26 : x
  2. Step 2: Convert to fraction form
    8,757.45/13,130.88 = 3,493.26/x
  3. Step 3: Cross multiply
    8,757.45x = 13,130.88 × 3,493.26
  4. Step 4: Simplify right side
    8,757.45x = 45,869,577.87
  5. Step 5: Solve for x
    x = 45,869,577.87/8,757.45
  6. Step 6: Final answer
    x = 5,237.78

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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.