Home / 5,445.15-7,514.74-3,087.44

Finding the Fourth Proportional to 5,445.15, 7,514.74 and 3,087.44

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Solution

The fourth proportional to 5,445.15, 7,514.74 and 3,087.44 is: 4,260.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,445.15 : 7,514.74 = 3,087.44 : x
  2. Step 2: Convert to fraction form
    5,445.15/7,514.74 = 3,087.44/x
  3. Step 3: Cross multiply
    5,445.15x = 7,514.74 × 3,087.44
  4. Step 4: Simplify right side
    5,445.15x = 23,201,308.87
  5. Step 5: Solve for x
    x = 23,201,308.87/5,445.15
  6. Step 6: Final answer
    x = 4,260.91

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.