Home / 8,276.87-12,415.73-2,729.99

Finding the Fourth Proportional to 8,276.87, 12,415.73 and 2,729.99

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Solution

The fourth proportional to 8,276.87, 12,415.73 and 2,729.99 is: 4,095.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,276.87 : 12,415.73 = 2,729.99 : x
  2. Step 2: Convert to fraction form
    8,276.87/12,415.73 = 2,729.99/x
  3. Step 3: Cross multiply
    8,276.87x = 12,415.73 × 2,729.99
  4. Step 4: Simplify right side
    8,276.87x = 33,894,743.01
  5. Step 5: Solve for x
    x = 33,894,743.01/8,276.87
  6. Step 6: Final answer
    x = 4,095.12

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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.