Home / 4,005.38-6,008.10-2,619.38

Finding the Fourth Proportional to 4,005.38, 6,008.10 and 2,619.38

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Solution

The fourth proportional to 4,005.38, 6,008.10 and 2,619.38 is: 3,929.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,005.38 : 6,008.10 = 2,619.38 : x
  2. Step 2: Convert to fraction form
    4,005.38/6,008.10 = 2,619.38/x
  3. Step 3: Cross multiply
    4,005.38x = 6,008.10 × 2,619.38
  4. Step 4: Simplify right side
    4,005.38x = 15,737,496.98
  5. Step 5: Solve for x
    x = 15,737,496.98/4,005.38
  6. Step 6: Final answer
    x = 3,929.09

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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.