Home / 8,276.70-12,412.41-2,729.01

Finding the Fourth Proportional to 8,276.70, 12,412.41 and 2,729.01

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Solution

The fourth proportional to 8,276.70, 12,412.41 and 2,729.01 is: 4,092.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,276.70 : 12,412.41 = 2,729.01 : x
  2. Step 2: Convert to fraction form
    8,276.70/12,412.41 = 2,729.01/x
  3. Step 3: Cross multiply
    8,276.70x = 12,412.41 × 2,729.01
  4. Step 4: Simplify right side
    8,276.70x = 33,873,591.01
  5. Step 5: Solve for x
    x = 33,873,591.01/8,276.70
  6. Step 6: Final answer
    x = 4,092.64

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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.