Home / 5,388.48-8,087.04-2,792.16

Finding the Fourth Proportional to 5,388.48, 8,087.04 and 2,792.16

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Solution

The fourth proportional to 5,388.48, 8,087.04 and 2,792.16 is: 4,190.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,388.48 : 8,087.04 = 2,792.16 : x
  2. Step 2: Convert to fraction form
    5,388.48/8,087.04 = 2,792.16/x
  3. Step 3: Cross multiply
    5,388.48x = 8,087.04 × 2,792.16
  4. Step 4: Simplify right side
    5,388.48x = 22,580,309.61
  5. Step 5: Solve for x
    x = 22,580,309.61/5,388.48
  6. Step 6: Final answer
    x = 4,190.48

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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.