Home / 5,911.61-8,859.40-3,278.97

Finding the Fourth Proportional to 5,911.61, 8,859.40 and 3,278.97

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Solution

The fourth proportional to 5,911.61, 8,859.40 and 3,278.97 is: 4,914.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,911.61 : 8,859.40 = 3,278.97 : x
  2. Step 2: Convert to fraction form
    5,911.61/8,859.40 = 3,278.97/x
  3. Step 3: Cross multiply
    5,911.61x = 8,859.40 × 3,278.97
  4. Step 4: Simplify right side
    5,911.61x = 29,049,698.62
  5. Step 5: Solve for x
    x = 29,049,698.62/5,911.61
  6. Step 6: Final answer
    x = 4,914.01

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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.