Home / 4,631.45-6,939.09-3,856.44

Finding the Fourth Proportional to 4,631.45, 6,939.09 and 3,856.44

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Solution

The fourth proportional to 4,631.45, 6,939.09 and 3,856.44 is: 5,777.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,631.45 : 6,939.09 = 3,856.44 : x
  2. Step 2: Convert to fraction form
    4,631.45/6,939.09 = 3,856.44/x
  3. Step 3: Cross multiply
    4,631.45x = 6,939.09 × 3,856.44
  4. Step 4: Simplify right side
    4,631.45x = 26,760,184.24
  5. Step 5: Solve for x
    x = 26,760,184.24/4,631.45
  6. Step 6: Final answer
    x = 5,777.93

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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.