Home / 5,338.48-8,008.16-2,743.28

Finding the Fourth Proportional to 5,338.48, 8,008.16 and 2,743.28

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Solution

The fourth proportional to 5,338.48, 8,008.16 and 2,743.28 is: 4,115.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,338.48 : 8,008.16 = 2,743.28 : x
  2. Step 2: Convert to fraction form
    5,338.48/8,008.16 = 2,743.28/x
  3. Step 3: Cross multiply
    5,338.48x = 8,008.16 × 2,743.28
  4. Step 4: Simplify right side
    5,338.48x = 21,968,625.16
  5. Step 5: Solve for x
    x = 21,968,625.16/5,338.48
  6. Step 6: Final answer
    x = 4,115.15

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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.