Home / 7,405.19-11,104.45-2,724.41

Finding the Fourth Proportional to 7,405.19, 11,104.45 and 2,724.41

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Solution

The fourth proportional to 7,405.19, 11,104.45 and 2,724.41 is: 4,085.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,405.19 : 11,104.45 = 2,724.41 : x
  2. Step 2: Convert to fraction form
    7,405.19/11,104.45 = 2,724.41/x
  3. Step 3: Cross multiply
    7,405.19x = 11,104.45 × 2,724.41
  4. Step 4: Simplify right side
    7,405.19x = 30,253,012.29
  5. Step 5: Solve for x
    x = 30,253,012.29/7,405.19
  6. Step 6: Final answer
    x = 4,085.38

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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.