Home / 7,540.14-11,308.39-3,160.88

Finding the Fourth Proportional to 7,540.14, 11,308.39 and 3,160.88

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Solution

The fourth proportional to 7,540.14, 11,308.39 and 3,160.88 is: 4,740.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,540.14 : 11,308.39 = 3,160.88 : x
  2. Step 2: Convert to fraction form
    7,540.14/11,308.39 = 3,160.88/x
  3. Step 3: Cross multiply
    7,540.14x = 11,308.39 × 3,160.88
  4. Step 4: Simplify right side
    7,540.14x = 35,744,399.34
  5. Step 5: Solve for x
    x = 35,744,399.34/7,540.14
  6. Step 6: Final answer
    x = 4,740.55

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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.