Home / 7,540.32-11,310.36-3,097.08

Finding the Fourth Proportional to 7,540.32, 11,310.36 and 3,097.08

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Solution

The fourth proportional to 7,540.32, 11,310.36 and 3,097.08 is: 4,645.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,540.32 : 11,310.36 = 3,097.08 : x
  2. Step 2: Convert to fraction form
    7,540.32/11,310.36 = 3,097.08/x
  3. Step 3: Cross multiply
    7,540.32x = 11,310.36 × 3,097.08
  4. Step 4: Simplify right side
    7,540.32x = 35,029,089.75
  5. Step 5: Solve for x
    x = 35,029,089.75/7,540.32
  6. Step 6: Final answer
    x = 4,645.57

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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.