Home / 7,628.35-11,437.99-2,361.80

Finding the Fourth Proportional to 7,628.35, 11,437.99 and 2,361.80

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Solution

The fourth proportional to 7,628.35, 11,437.99 and 2,361.80 is: 3,541.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,628.35 : 11,437.99 = 2,361.80 : x
  2. Step 2: Convert to fraction form
    7,628.35/11,437.99 = 2,361.80/x
  3. Step 3: Cross multiply
    7,628.35x = 11,437.99 × 2,361.80
  4. Step 4: Simplify right side
    7,628.35x = 27,014,175.78
  5. Step 5: Solve for x
    x = 27,014,175.78/7,628.35
  6. Step 6: Final answer
    x = 3,541.29

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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.