Home / 5,921.65-8,171.71-3,268.87

Finding the Fourth Proportional to 5,921.65, 8,171.71 and 3,268.87

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Solution

The fourth proportional to 5,921.65, 8,171.71 and 3,268.87 is: 4,510.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,921.65 : 8,171.71 = 3,268.87 : x
  2. Step 2: Convert to fraction form
    5,921.65/8,171.71 = 3,268.87/x
  3. Step 3: Cross multiply
    5,921.65x = 8,171.71 × 3,268.87
  4. Step 4: Simplify right side
    5,921.65x = 26,712,257.67
  5. Step 5: Solve for x
    x = 26,712,257.67/5,921.65
  6. Step 6: Final answer
    x = 4,510.95

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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.