Home / 5,262.85-7,887.98-2,447.88

Finding the Fourth Proportional to 5,262.85, 7,887.98 and 2,447.88

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Solution

The fourth proportional to 5,262.85, 7,887.98 and 2,447.88 is: 3,668.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,262.85 : 7,887.98 = 2,447.88 : x
  2. Step 2: Convert to fraction form
    5,262.85/7,887.98 = 2,447.88/x
  3. Step 3: Cross multiply
    5,262.85x = 7,887.98 × 2,447.88
  4. Step 4: Simplify right side
    5,262.85x = 19,308,849.39
  5. Step 5: Solve for x
    x = 19,308,849.39/5,262.85
  6. Step 6: Final answer
    x = 3,668.90

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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.