Home / 7,749.99-11,634.44-5,119.74

Finding the Fourth Proportional to 7,749.99, 11,634.44 and 5,119.74

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Solution

The fourth proportional to 7,749.99, 11,634.44 and 5,119.74 is: 7,685.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,749.99 : 11,634.44 = 5,119.74 : x
  2. Step 2: Convert to fraction form
    7,749.99/11,634.44 = 5,119.74/x
  3. Step 3: Cross multiply
    7,749.99x = 11,634.44 × 5,119.74
  4. Step 4: Simplify right side
    7,749.99x = 59,565,307.85
  5. Step 5: Solve for x
    x = 59,565,307.85/7,749.99
  6. Step 6: Final answer
    x = 7,685.86

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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.