Home / 7,818.20-11,727.43-2,553.26

Finding the Fourth Proportional to 7,818.20, 11,727.43 and 2,553.26

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Solution

The fourth proportional to 7,818.20, 11,727.43 and 2,553.26 is: 3,829.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,818.20 : 11,727.43 = 2,553.26 : x
  2. Step 2: Convert to fraction form
    7,818.20/11,727.43 = 2,553.26/x
  3. Step 3: Cross multiply
    7,818.20x = 11,727.43 × 2,553.26
  4. Step 4: Simplify right side
    7,818.20x = 29,943,177.92
  5. Step 5: Solve for x
    x = 29,943,177.92/7,818.20
  6. Step 6: Final answer
    x = 3,829.93

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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.