Home / 6,918.48-10,383.12-2,539.44

Finding the Fourth Proportional to 6,918.48, 10,383.12 and 2,539.44

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Solution

The fourth proportional to 6,918.48, 10,383.12 and 2,539.44 is: 3,811.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,918.48 : 10,383.12 = 2,539.44 : x
  2. Step 2: Convert to fraction form
    6,918.48/10,383.12 = 2,539.44/x
  3. Step 3: Cross multiply
    6,918.48x = 10,383.12 × 2,539.44
  4. Step 4: Simplify right side
    6,918.48x = 26,367,310.25
  5. Step 5: Solve for x
    x = 26,367,310.25/6,918.48
  6. Step 6: Final answer
    x = 3,811.14

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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.