Home / 7,372.88-11,063.64-5,290.64

Finding the Fourth Proportional to 7,372.88, 11,063.64 and 5,290.64

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Solution

The fourth proportional to 7,372.88, 11,063.64 and 5,290.64 is: 7,939.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,372.88 : 11,063.64 = 5,290.64 : x
  2. Step 2: Convert to fraction form
    7,372.88/11,063.64 = 5,290.64/x
  3. Step 3: Cross multiply
    7,372.88x = 11,063.64 × 5,290.64
  4. Step 4: Simplify right side
    7,372.88x = 58,533,736.33
  5. Step 5: Solve for x
    x = 58,533,736.33/7,372.88
  6. Step 6: Final answer
    x = 7,939.06

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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.