Home / 8,558.30-12,839.49-2,714.91

Finding the Fourth Proportional to 8,558.30, 12,839.49 and 2,714.91

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Solution

The fourth proportional to 8,558.30, 12,839.49 and 2,714.91 is: 4,073.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,558.30 : 12,839.49 = 2,714.91 : x
  2. Step 2: Convert to fraction form
    8,558.30/12,839.49 = 2,714.91/x
  3. Step 3: Cross multiply
    8,558.30x = 12,839.49 × 2,714.91
  4. Step 4: Simplify right side
    8,558.30x = 34,858,059.80
  5. Step 5: Solve for x
    x = 34,858,059.80/8,558.30
  6. Step 6: Final answer
    x = 4,073.01

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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.