Home / 5,910.81-8,148.96-5,067.87

Finding the Fourth Proportional to 5,910.81, 8,148.96 and 5,067.87

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Solution

The fourth proportional to 5,910.81, 8,148.96 and 5,067.87 is: 6,986.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,910.81 : 8,148.96 = 5,067.87 : x
  2. Step 2: Convert to fraction form
    5,910.81/8,148.96 = 5,067.87/x
  3. Step 3: Cross multiply
    5,910.81x = 8,148.96 × 5,067.87
  4. Step 4: Simplify right side
    5,910.81x = 41,297,869.92
  5. Step 5: Solve for x
    x = 41,297,869.92/5,910.81
  6. Step 6: Final answer
    x = 6,986.84

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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.