Home / 8,108.70-12,141.08-4,204.92

Finding the Fourth Proportional to 8,108.70, 12,141.08 and 4,204.92

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Solution

The fourth proportional to 8,108.70, 12,141.08 and 4,204.92 is: 6,295.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,108.70 : 12,141.08 = 4,204.92 : x
  2. Step 2: Convert to fraction form
    8,108.70/12,141.08 = 4,204.92/x
  3. Step 3: Cross multiply
    8,108.70x = 12,141.08 × 4,204.92
  4. Step 4: Simplify right side
    8,108.70x = 51,052,270.11
  5. Step 5: Solve for x
    x = 51,052,270.11/8,108.70
  6. Step 6: Final answer
    x = 6,295.99

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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.