Home / 9,761.46-14,637.30-3,186.90

Finding the Fourth Proportional to 9,761.46, 14,637.30 and 3,186.90

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Solution

The fourth proportional to 9,761.46, 14,637.30 and 3,186.90 is: 4,778.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,761.46 : 14,637.30 = 3,186.90 : x
  2. Step 2: Convert to fraction form
    9,761.46/14,637.30 = 3,186.90/x
  3. Step 3: Cross multiply
    9,761.46x = 14,637.30 × 3,186.90
  4. Step 4: Simplify right side
    9,761.46x = 46,647,611.37
  5. Step 5: Solve for x
    x = 46,647,611.37/9,761.46
  6. Step 6: Final answer
    x = 4,778.75

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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.