Home / 7,475.43-11,213.81-3,775.29

Finding the Fourth Proportional to 7,475.43, 11,213.81 and 3,775.29

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Solution

The fourth proportional to 7,475.43, 11,213.81 and 3,775.29 is: 5,663.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,475.43 : 11,213.81 = 3,775.29 : x
  2. Step 2: Convert to fraction form
    7,475.43/11,213.81 = 3,775.29/x
  3. Step 3: Cross multiply
    7,475.43x = 11,213.81 × 3,775.29
  4. Step 4: Simplify right side
    7,475.43x = 42,335,365.88
  5. Step 5: Solve for x
    x = 42,335,365.88/7,475.43
  6. Step 6: Final answer
    x = 5,663.27

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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.