Home / 4,919.67-7,378.88-1,995.16

Finding the Fourth Proportional to 4,919.67, 7,378.88 and 1,995.16

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Solution

The fourth proportional to 4,919.67, 7,378.88 and 1,995.16 is: 2,992.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,919.67 : 7,378.88 = 1,995.16 : x
  2. Step 2: Convert to fraction form
    4,919.67/7,378.88 = 1,995.16/x
  3. Step 3: Cross multiply
    4,919.67x = 7,378.88 × 1,995.16
  4. Step 4: Simplify right side
    4,919.67x = 14,722,046.22
  5. Step 5: Solve for x
    x = 14,722,046.22/4,919.67
  6. Step 6: Final answer
    x = 2,992.49

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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.