Home / 8,538.06-12,808.56-2,614.80

Finding the Fourth Proportional to 8,538.06, 12,808.56 and 2,614.80

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Solution

The fourth proportional to 8,538.06, 12,808.56 and 2,614.80 is: 3,922.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,538.06 : 12,808.56 = 2,614.80 : x
  2. Step 2: Convert to fraction form
    8,538.06/12,808.56 = 2,614.80/x
  3. Step 3: Cross multiply
    8,538.06x = 12,808.56 × 2,614.80
  4. Step 4: Simplify right side
    8,538.06x = 33,491,777.59
  5. Step 5: Solve for x
    x = 33,491,777.59/8,538.06
  6. Step 6: Final answer
    x = 3,922.65

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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.