Home / 8,262.30-12,390.83-2,714.36

Finding the Fourth Proportional to 8,262.30, 12,390.83 and 2,714.36

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Solution

The fourth proportional to 8,262.30, 12,390.83 and 2,714.36 is: 4,070.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,262.30 : 12,390.83 = 2,714.36 : x
  2. Step 2: Convert to fraction form
    8,262.30/12,390.83 = 2,714.36/x
  3. Step 3: Cross multiply
    8,262.30x = 12,390.83 × 2,714.36
  4. Step 4: Simplify right side
    8,262.30x = 33,633,173.32
  5. Step 5: Solve for x
    x = 33,633,173.32/8,262.30
  6. Step 6: Final answer
    x = 4,070.68

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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.