Home / 4,755.15-7,122.29-3,083.40

Finding the Fourth Proportional to 4,755.15, 7,122.29 and 3,083.40

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Solution

The fourth proportional to 4,755.15, 7,122.29 and 3,083.40 is: 4,618.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,755.15 : 7,122.29 = 3,083.40 : x
  2. Step 2: Convert to fraction form
    4,755.15/7,122.29 = 3,083.40/x
  3. Step 3: Cross multiply
    4,755.15x = 7,122.29 × 3,083.40
  4. Step 4: Simplify right side
    4,755.15x = 21,960,853.57
  5. Step 5: Solve for x
    x = 21,960,853.57/4,755.15
  6. Step 6: Final answer
    x = 4,618.33

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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.