Home / 7,577.91-11,369.60-3,881.88

Finding the Fourth Proportional to 7,577.91, 11,369.60 and 3,881.88

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Solution

The fourth proportional to 7,577.91, 11,369.60 and 3,881.88 is: 5,824.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,577.91 : 11,369.60 = 3,881.88 : x
  2. Step 2: Convert to fraction form
    7,577.91/11,369.60 = 3,881.88/x
  3. Step 3: Cross multiply
    7,577.91x = 11,369.60 × 3,881.88
  4. Step 4: Simplify right side
    7,577.91x = 44,135,422.85
  5. Step 5: Solve for x
    x = 44,135,422.85/7,577.91
  6. Step 6: Final answer
    x = 5,824.22

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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.