Home / 7,714.44-11,575.62-3,275.15

Finding the Fourth Proportional to 7,714.44, 11,575.62 and 3,275.15

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Solution

The fourth proportional to 7,714.44, 11,575.62 and 3,275.15 is: 4,914.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,714.44 : 11,575.62 = 3,275.15 : x
  2. Step 2: Convert to fraction form
    7,714.44/11,575.62 = 3,275.15/x
  3. Step 3: Cross multiply
    7,714.44x = 11,575.62 × 3,275.15
  4. Step 4: Simplify right side
    7,714.44x = 37,911,833.96
  5. Step 5: Solve for x
    x = 37,911,833.96/7,714.44
  6. Step 6: Final answer
    x = 4,914.40

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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.