Home / 5,079.65-7,018.92-3,910.82

Finding the Fourth Proportional to 5,079.65, 7,018.92 and 3,910.82

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Solution

The fourth proportional to 5,079.65, 7,018.92 and 3,910.82 is: 5,403.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,079.65 : 7,018.92 = 3,910.82 : x
  2. Step 2: Convert to fraction form
    5,079.65/7,018.92 = 3,910.82/x
  3. Step 3: Cross multiply
    5,079.65x = 7,018.92 × 3,910.82
  4. Step 4: Simplify right side
    5,079.65x = 27,449,697.62
  5. Step 5: Solve for x
    x = 27,449,697.62/5,079.65
  6. Step 6: Final answer
    x = 5,403.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.