Home / 5,079.62-7,617.54-1,791.84

Finding the Fourth Proportional to 5,079.62, 7,617.54 and 1,791.84

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Solution

The fourth proportional to 5,079.62, 7,617.54 and 1,791.84 is: 2,687.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,079.62 : 7,617.54 = 1,791.84 : x
  2. Step 2: Convert to fraction form
    5,079.62/7,617.54 = 1,791.84/x
  3. Step 3: Cross multiply
    5,079.62x = 7,617.54 × 1,791.84
  4. Step 4: Simplify right side
    5,079.62x = 13,649,412.87
  5. Step 5: Solve for x
    x = 13,649,412.87/5,079.62
  6. Step 6: Final answer
    x = 2,687.09

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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.