Home / 5,255.54-7,883.14-2,135.49

Finding the Fourth Proportional to 5,255.54, 7,883.14 and 2,135.49

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Solution

The fourth proportional to 5,255.54, 7,883.14 and 2,135.49 is: 3,203.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,255.54 : 7,883.14 = 2,135.49 : x
  2. Step 2: Convert to fraction form
    5,255.54/7,883.14 = 2,135.49/x
  3. Step 3: Cross multiply
    5,255.54x = 7,883.14 × 2,135.49
  4. Step 4: Simplify right side
    5,255.54x = 16,834,366.64
  5. Step 5: Solve for x
    x = 16,834,366.64/5,255.54
  6. Step 6: Final answer
    x = 3,203.17

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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.