Home / 7,763.82-11,646.66-2,835.78

Finding the Fourth Proportional to 7,763.82, 11,646.66 and 2,835.78

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Solution

The fourth proportional to 7,763.82, 11,646.66 and 2,835.78 is: 4,254.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,763.82 : 11,646.66 = 2,835.78 : x
  2. Step 2: Convert to fraction form
    7,763.82/11,646.66 = 2,835.78/x
  3. Step 3: Cross multiply
    7,763.82x = 11,646.66 × 2,835.78
  4. Step 4: Simplify right side
    7,763.82x = 33,027,365.49
  5. Step 5: Solve for x
    x = 33,027,365.49/7,763.82
  6. Step 6: Final answer
    x = 4,254.01

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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.