Home / 4,005.30-6,007.94-2,619.80

Finding the Fourth Proportional to 4,005.30, 6,007.94 and 2,619.80

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Solution

The fourth proportional to 4,005.30, 6,007.94 and 2,619.80 is: 3,929.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,005.30 : 6,007.94 = 2,619.80 : x
  2. Step 2: Convert to fraction form
    4,005.30/6,007.94 = 2,619.80/x
  3. Step 3: Cross multiply
    4,005.30x = 6,007.94 × 2,619.80
  4. Step 4: Simplify right side
    4,005.30x = 15,739,597.10
  5. Step 5: Solve for x
    x = 15,739,597.10/4,005.30
  6. Step 6: Final answer
    x = 3,929.70

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Similar ratio
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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.