Home / 7,745.25-11,619.90-2,551.13

Finding the Fourth Proportional to 7,745.25, 11,619.90 and 2,551.13

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Solution

The fourth proportional to 7,745.25, 11,619.90 and 2,551.13 is: 3,827.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,745.25 : 11,619.90 = 2,551.13 : x
  2. Step 2: Convert to fraction form
    7,745.25/11,619.90 = 2,551.13/x
  3. Step 3: Cross multiply
    7,745.25x = 11,619.90 × 2,551.13
  4. Step 4: Simplify right side
    7,745.25x = 29,643,817.39
  5. Step 5: Solve for x
    x = 29,643,817.39/7,745.25
  6. Step 6: Final answer
    x = 3,827.35

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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.