Home / 7,835.54-11,753.79-2,499.86

Finding the Fourth Proportional to 7,835.54, 11,753.79 and 2,499.86

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Solution

The fourth proportional to 7,835.54, 11,753.79 and 2,499.86 is: 3,749.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,835.54 : 11,753.79 = 2,499.86 : x
  2. Step 2: Convert to fraction form
    7,835.54/11,753.79 = 2,499.86/x
  3. Step 3: Cross multiply
    7,835.54x = 11,753.79 × 2,499.86
  4. Step 4: Simplify right side
    7,835.54x = 29,382,829.47
  5. Step 5: Solve for x
    x = 29,382,829.47/7,835.54
  6. Step 6: Final answer
    x = 3,749.94

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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.