Home / 5,279.33-7,915.84-1,768.48

Finding the Fourth Proportional to 5,279.33, 7,915.84 and 1,768.48

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Solution

The fourth proportional to 5,279.33, 7,915.84 and 1,768.48 is: 2,651.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,279.33 : 7,915.84 = 1,768.48 : x
  2. Step 2: Convert to fraction form
    5,279.33/7,915.84 = 1,768.48/x
  3. Step 3: Cross multiply
    5,279.33x = 7,915.84 × 1,768.48
  4. Step 4: Simplify right side
    5,279.33x = 13,999,004.72
  5. Step 5: Solve for x
    x = 13,999,004.72/5,279.33
  6. Step 6: Final answer
    x = 2,651.66

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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.