Home / 7,619.80-11,436.14-3,006.04

Finding the Fourth Proportional to 7,619.80, 11,436.14 and 3,006.04

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Solution

The fourth proportional to 7,619.80, 11,436.14 and 3,006.04 is: 4,511.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,619.80 : 11,436.14 = 3,006.04 : x
  2. Step 2: Convert to fraction form
    7,619.80/11,436.14 = 3,006.04/x
  3. Step 3: Cross multiply
    7,619.80x = 11,436.14 × 3,006.04
  4. Step 4: Simplify right side
    7,619.80x = 34,377,494.29
  5. Step 5: Solve for x
    x = 34,377,494.29/7,619.80
  6. Step 6: Final answer
    x = 4,511.60

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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.