Home / 8,714.88-13,074.30-2,871.36

Finding the Fourth Proportional to 8,714.88, 13,074.30 and 2,871.36

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Solution

The fourth proportional to 8,714.88, 13,074.30 and 2,871.36 is: 4,307.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,714.88 : 13,074.30 = 2,871.36 : x
  2. Step 2: Convert to fraction form
    8,714.88/13,074.30 = 2,871.36/x
  3. Step 3: Cross multiply
    8,714.88x = 13,074.30 × 2,871.36
  4. Step 4: Simplify right side
    8,714.88x = 37,541,022.05
  5. Step 5: Solve for x
    x = 37,541,022.05/8,714.88
  6. Step 6: Final answer
    x = 4,307.69

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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.