Home / 5,745.33-8,618.81-2,972.30

Finding the Fourth Proportional to 5,745.33, 8,618.81 and 2,972.30

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Solution

The fourth proportional to 5,745.33, 8,618.81 and 2,972.30 is: 4,458.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,745.33 : 8,618.81 = 2,972.30 : x
  2. Step 2: Convert to fraction form
    5,745.33/8,618.81 = 2,972.30/x
  3. Step 3: Cross multiply
    5,745.33x = 8,618.81 × 2,972.30
  4. Step 4: Simplify right side
    5,745.33x = 25,617,631.01
  5. Step 5: Solve for x
    x = 25,617,631.01/5,745.33
  6. Step 6: Final answer
    x = 4,458.86

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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.