Home / 7,639.73-11,450.37-3,474.04

Finding the Fourth Proportional to 7,639.73, 11,450.37 and 3,474.04

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Solution

The fourth proportional to 7,639.73, 11,450.37 and 3,474.04 is: 5,206.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,639.73 : 11,450.37 = 3,474.04 : x
  2. Step 2: Convert to fraction form
    7,639.73/11,450.37 = 3,474.04/x
  3. Step 3: Cross multiply
    7,639.73x = 11,450.37 × 3,474.04
  4. Step 4: Simplify right side
    7,639.73x = 39,779,014.77
  5. Step 5: Solve for x
    x = 39,779,014.77/7,639.73
  6. Step 6: Final answer
    x = 5,206.86

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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.