Home / 7,820.28-11,731.07-2,273.62

Finding the Fourth Proportional to 7,820.28, 11,731.07 and 2,273.62

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Solution

The fourth proportional to 7,820.28, 11,731.07 and 2,273.62 is: 3,410.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,820.28 : 11,731.07 = 2,273.62 : x
  2. Step 2: Convert to fraction form
    7,820.28/11,731.07 = 2,273.62/x
  3. Step 3: Cross multiply
    7,820.28x = 11,731.07 × 2,273.62
  4. Step 4: Simplify right side
    7,820.28x = 26,671,928.25
  5. Step 5: Solve for x
    x = 26,671,928.25/7,820.28
  6. Step 6: Final answer
    x = 3,410.61

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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.