Home / 5,257.58-7,879.37-1,967.36

Finding the Fourth Proportional to 5,257.58, 7,879.37 and 1,967.36

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Solution

The fourth proportional to 5,257.58, 7,879.37 and 1,967.36 is: 2,948.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,257.58 : 7,879.37 = 1,967.36 : x
  2. Step 2: Convert to fraction form
    5,257.58/7,879.37 = 1,967.36/x
  3. Step 3: Cross multiply
    5,257.58x = 7,879.37 × 1,967.36
  4. Step 4: Simplify right side
    5,257.58x = 15,501,508.13
  5. Step 5: Solve for x
    x = 15,501,508.13/5,257.58
  6. Step 6: Final answer
    x = 2,948.41

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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.