Home / 8,134.55-12,195.90-5,495.51

Finding the Fourth Proportional to 8,134.55, 12,195.90 and 5,495.51

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Solution

The fourth proportional to 8,134.55, 12,195.90 and 5,495.51 is: 8,239.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,134.55 : 12,195.90 = 5,495.51 : x
  2. Step 2: Convert to fraction form
    8,134.55/12,195.90 = 5,495.51/x
  3. Step 3: Cross multiply
    8,134.55x = 12,195.90 × 5,495.51
  4. Step 4: Simplify right side
    8,134.55x = 67,022,629.43
  5. Step 5: Solve for x
    x = 67,022,629.43/8,134.55
  6. Step 6: Final answer
    x = 8,239.26

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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.