Home / 8,940.75-13,409.28-3,670.62

Finding the Fourth Proportional to 8,940.75, 13,409.28 and 3,670.62

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Solution

The fourth proportional to 8,940.75, 13,409.28 and 3,670.62 is: 5,505.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,940.75 : 13,409.28 = 3,670.62 : x
  2. Step 2: Convert to fraction form
    8,940.75/13,409.28 = 3,670.62/x
  3. Step 3: Cross multiply
    8,940.75x = 13,409.28 × 3,670.62
  4. Step 4: Simplify right side
    8,940.75x = 49,220,371.35
  5. Step 5: Solve for x
    x = 49,220,371.35/8,940.75
  6. Step 6: Final answer
    x = 5,505.17

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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.