Home / 9,860.80-14,786.97-3,618.76

Finding the Fourth Proportional to 9,860.80, 14,786.97 and 3,618.76

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Solution

The fourth proportional to 9,860.80, 14,786.97 and 3,618.76 is: 5,426.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,860.80 : 14,786.97 = 3,618.76 : x
  2. Step 2: Convert to fraction form
    9,860.80/14,786.97 = 3,618.76/x
  3. Step 3: Cross multiply
    9,860.80x = 14,786.97 × 3,618.76
  4. Step 4: Simplify right side
    9,860.80x = 53,510,495.56
  5. Step 5: Solve for x
    x = 53,510,495.56/9,860.80
  6. Step 6: Final answer
    x = 5,426.59

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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.