Home / 4,134.45-6,192.77-1,939.89

Finding the Fourth Proportional to 4,134.45, 6,192.77 and 1,939.89

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Solution

The fourth proportional to 4,134.45, 6,192.77 and 1,939.89 is: 2,905.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,134.45 : 6,192.77 = 1,939.89 : x
  2. Step 2: Convert to fraction form
    4,134.45/6,192.77 = 1,939.89/x
  3. Step 3: Cross multiply
    4,134.45x = 6,192.77 × 1,939.89
  4. Step 4: Simplify right side
    4,134.45x = 12,013,282.90
  5. Step 5: Solve for x
    x = 12,013,282.90/4,134.45
  6. Step 6: Final answer
    x = 2,905.65

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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.