Home / 4,578.31-6,869.62-3,174.87

Finding the Fourth Proportional to 4,578.31, 6,869.62 and 3,174.87

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Solution

The fourth proportional to 4,578.31, 6,869.62 and 3,174.87 is: 4,763.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,578.31 : 6,869.62 = 3,174.87 : x
  2. Step 2: Convert to fraction form
    4,578.31/6,869.62 = 3,174.87/x
  3. Step 3: Cross multiply
    4,578.31x = 6,869.62 × 3,174.87
  4. Step 4: Simplify right side
    4,578.31x = 21,810,180.18
  5. Step 5: Solve for x
    x = 21,810,180.18/4,578.31
  6. Step 6: Final answer
    x = 4,763.80

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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.