Home / 7,820.60-11,729.14-2,273.88

Finding the Fourth Proportional to 7,820.60, 11,729.14 and 2,273.88

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Solution

The fourth proportional to 7,820.60, 11,729.14 and 2,273.88 is: 3,410.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,820.60 : 11,729.14 = 2,273.88 : x
  2. Step 2: Convert to fraction form
    7,820.60/11,729.14 = 2,273.88/x
  3. Step 3: Cross multiply
    7,820.60x = 11,729.14 × 2,273.88
  4. Step 4: Simplify right side
    7,820.60x = 26,670,656.86
  5. Step 5: Solve for x
    x = 26,670,656.86/7,820.60
  6. Step 6: Final answer
    x = 3,410.31

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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.