Home / 9,759.88-14,640.54-3,186.28

Finding the Fourth Proportional to 9,759.88, 14,640.54 and 3,186.28

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Solution

The fourth proportional to 9,759.88, 14,640.54 and 3,186.28 is: 4,779.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,759.88 : 14,640.54 = 3,186.28 : x
  2. Step 2: Convert to fraction form
    9,759.88/14,640.54 = 3,186.28/x
  3. Step 3: Cross multiply
    9,759.88x = 14,640.54 × 3,186.28
  4. Step 4: Simplify right side
    9,759.88x = 46,648,859.79
  5. Step 5: Solve for x
    x = 46,648,859.79/9,759.88
  6. Step 6: Final answer
    x = 4,779.66

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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.