Home / 5,448.48-8,171.62-1,553.28

Finding the Fourth Proportional to 5,448.48, 8,171.62 and 1,553.28

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Solution

The fourth proportional to 5,448.48, 8,171.62 and 1,553.28 is: 2,329.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,448.48 : 8,171.62 = 1,553.28 : x
  2. Step 2: Convert to fraction form
    5,448.48/8,171.62 = 1,553.28/x
  3. Step 3: Cross multiply
    5,448.48x = 8,171.62 × 1,553.28
  4. Step 4: Simplify right side
    5,448.48x = 12,692,813.91
  5. Step 5: Solve for x
    x = 12,692,813.91/5,448.48
  6. Step 6: Final answer
    x = 2,329.61

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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.