Home / 5,262.61-7,887.63-2,447.64

Finding the Fourth Proportional to 5,262.61, 7,887.63 and 2,447.64

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Solution

The fourth proportional to 5,262.61, 7,887.63 and 2,447.64 is: 3,668.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,262.61 : 7,887.63 = 2,447.64 : x
  2. Step 2: Convert to fraction form
    5,262.61/7,887.63 = 2,447.64/x
  3. Step 3: Cross multiply
    5,262.61x = 7,887.63 × 2,447.64
  4. Step 4: Simplify right side
    5,262.61x = 19,306,078.69
  5. Step 5: Solve for x
    x = 19,306,078.69/5,262.61
  6. Step 6: Final answer
    x = 3,668.54

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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.