Home / 4,919.48-7,379.91-1,798.91

Finding the Fourth Proportional to 4,919.48, 7,379.91 and 1,798.91

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Solution

The fourth proportional to 4,919.48, 7,379.91 and 1,798.91 is: 2,698.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,919.48 : 7,379.91 = 1,798.91 : x
  2. Step 2: Convert to fraction form
    4,919.48/7,379.91 = 1,798.91/x
  3. Step 3: Cross multiply
    4,919.48x = 7,379.91 × 1,798.91
  4. Step 4: Simplify right side
    4,919.48x = 13,275,793.90
  5. Step 5: Solve for x
    x = 13,275,793.90/4,919.48
  6. Step 6: Final answer
    x = 2,698.62

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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.