Home / 8,418.51-12,629.60-2,495.85

Finding the Fourth Proportional to 8,418.51, 12,629.60 and 2,495.85

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Solution

The fourth proportional to 8,418.51, 12,629.60 and 2,495.85 is: 3,744.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,418.51 : 12,629.60 = 2,495.85 : x
  2. Step 2: Convert to fraction form
    8,418.51/12,629.60 = 2,495.85/x
  3. Step 3: Cross multiply
    8,418.51x = 12,629.60 × 2,495.85
  4. Step 4: Simplify right side
    8,418.51x = 31,521,657.28
  5. Step 5: Solve for x
    x = 31,521,657.28/8,418.51
  6. Step 6: Final answer
    x = 3,744.33

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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.