Home / 8,266.23-12,400.13-2,719.59

Finding the Fourth Proportional to 8,266.23, 12,400.13 and 2,719.59

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Solution

The fourth proportional to 8,266.23, 12,400.13 and 2,719.59 is: 4,079.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,266.23 : 12,400.13 = 2,719.59 : x
  2. Step 2: Convert to fraction form
    8,266.23/12,400.13 = 2,719.59/x
  3. Step 3: Cross multiply
    8,266.23x = 12,400.13 × 2,719.59
  4. Step 4: Simplify right side
    8,266.23x = 33,723,255.95
  5. Step 5: Solve for x
    x = 33,723,255.95/8,266.23
  6. Step 6: Final answer
    x = 4,079.64

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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.