Home / 8,234.61-12,343.05-3,556.82

Finding the Fourth Proportional to 8,234.61, 12,343.05 and 3,556.82

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Solution

The fourth proportional to 8,234.61, 12,343.05 and 3,556.82 is: 5,331.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,234.61 : 12,343.05 = 3,556.82 : x
  2. Step 2: Convert to fraction form
    8,234.61/12,343.05 = 3,556.82/x
  3. Step 3: Cross multiply
    8,234.61x = 12,343.05 × 3,556.82
  4. Step 4: Simplify right side
    8,234.61x = 43,901,936.49
  5. Step 5: Solve for x
    x = 43,901,936.49/8,234.61
  6. Step 6: Final answer
    x = 5,331.40

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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.