Home / 5,330.28-7,997.09-1,820.37

Finding the Fourth Proportional to 5,330.28, 7,997.09 and 1,820.37

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Solution

The fourth proportional to 5,330.28, 7,997.09 and 1,820.37 is: 2,731.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,330.28 : 7,997.09 = 1,820.37 : x
  2. Step 2: Convert to fraction form
    5,330.28/7,997.09 = 1,820.37/x
  3. Step 3: Cross multiply
    5,330.28x = 7,997.09 × 1,820.37
  4. Step 4: Simplify right side
    5,330.28x = 14,557,653.62
  5. Step 5: Solve for x
    x = 14,557,653.62/5,330.28
  6. Step 6: Final answer
    x = 2,731.12

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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.