Home / 8,306.72-12,462.36-3,625.88

Finding the Fourth Proportional to 8,306.72, 12,462.36 and 3,625.88

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Solution

The fourth proportional to 8,306.72, 12,462.36 and 3,625.88 is: 5,439.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,306.72 : 12,462.36 = 3,625.88 : x
  2. Step 2: Convert to fraction form
    8,306.72/12,462.36 = 3,625.88/x
  3. Step 3: Cross multiply
    8,306.72x = 12,462.36 × 3,625.88
  4. Step 4: Simplify right side
    8,306.72x = 45,187,021.88
  5. Step 5: Solve for x
    x = 45,187,021.88/8,306.72
  6. Step 6: Final answer
    x = 5,439.82

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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.