Home / 8,684.58-13,044.31-5,181.44

Finding the Fourth Proportional to 8,684.58, 13,044.31 and 5,181.44

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Solution

The fourth proportional to 8,684.58, 13,044.31 and 5,181.44 is: 7,782.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,684.58 : 13,044.31 = 5,181.44 : x
  2. Step 2: Convert to fraction form
    8,684.58/13,044.31 = 5,181.44/x
  3. Step 3: Cross multiply
    8,684.58x = 13,044.31 × 5,181.44
  4. Step 4: Simplify right side
    8,684.58x = 67,588,231.43
  5. Step 5: Solve for x
    x = 67,588,231.43/8,684.58
  6. Step 6: Final answer
    x = 7,782.55

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1.5x scale

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.