Home / 7,540.56-11,306.72-2,609.76

Finding the Fourth Proportional to 7,540.56, 11,306.72 and 2,609.76

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Solution

The fourth proportional to 7,540.56, 11,306.72 and 2,609.76 is: 3,913.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,540.56 : 11,306.72 = 2,609.76 : x
  2. Step 2: Convert to fraction form
    7,540.56/11,306.72 = 2,609.76/x
  3. Step 3: Cross multiply
    7,540.56x = 11,306.72 × 2,609.76
  4. Step 4: Simplify right side
    7,540.56x = 29,507,825.59
  5. Step 5: Solve for x
    x = 29,507,825.59/7,540.56
  6. Step 6: Final answer
    x = 3,913.21

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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.