Home / 3,711.96-5,567.09-1,078.79

Finding the Fourth Proportional to 3,711.96, 5,567.09 and 1,078.79

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Solution

The fourth proportional to 3,711.96, 5,567.09 and 1,078.79 is: 1,617.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,711.96 : 5,567.09 = 1,078.79 : x
  2. Step 2: Convert to fraction form
    3,711.96/5,567.09 = 1,078.79/x
  3. Step 3: Cross multiply
    3,711.96x = 5,567.09 × 1,078.79
  4. Step 4: Simplify right side
    3,711.96x = 6,005,687.79
  5. Step 5: Solve for x
    x = 6,005,687.79/3,711.96
  6. Step 6: Final answer
    x = 1,617.93

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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.