Home / 4,919.27-7,379.99-1,456.79

Finding the Fourth Proportional to 4,919.27, 7,379.99 and 1,456.79

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Solution

The fourth proportional to 4,919.27, 7,379.99 and 1,456.79 is: 2,185.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,919.27 : 7,379.99 = 1,456.79 : x
  2. Step 2: Convert to fraction form
    4,919.27/7,379.99 = 1,456.79/x
  3. Step 3: Cross multiply
    4,919.27x = 7,379.99 × 1,456.79
  4. Step 4: Simplify right side
    4,919.27x = 10,751,088.35
  5. Step 5: Solve for x
    x = 10,751,088.35/4,919.27
  6. Step 6: Final answer
    x = 2,185.50

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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.