Home / 5,324.58-7,987.82-1,814.39

Finding the Fourth Proportional to 5,324.58, 7,987.82 and 1,814.39

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Solution

The fourth proportional to 5,324.58, 7,987.82 and 1,814.39 is: 2,721.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,324.58 : 7,987.82 = 1,814.39 : x
  2. Step 2: Convert to fraction form
    5,324.58/7,987.82 = 1,814.39/x
  3. Step 3: Cross multiply
    5,324.58x = 7,987.82 × 1,814.39
  4. Step 4: Simplify right side
    5,324.58x = 14,493,005.30
  5. Step 5: Solve for x
    x = 14,493,005.30/5,324.58
  6. Step 6: Final answer
    x = 2,721.91

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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.