Home / 7,542.88-11,310.66-2,612.80

Finding the Fourth Proportional to 7,542.88, 11,310.66 and 2,612.80

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Solution

The fourth proportional to 7,542.88, 11,310.66 and 2,612.80 is: 3,917.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,542.88 : 11,310.66 = 2,612.80 : x
  2. Step 2: Convert to fraction form
    7,542.88/11,310.66 = 2,612.80/x
  3. Step 3: Cross multiply
    7,542.88x = 11,310.66 × 2,612.80
  4. Step 4: Simplify right side
    7,542.88x = 29,552,492.45
  5. Step 5: Solve for x
    x = 29,552,492.45/7,542.88
  6. Step 6: Final answer
    x = 3,917.93

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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.