Home / 7,811.47-11,716.86-2,264.69

Finding the Fourth Proportional to 7,811.47, 11,716.86 and 2,264.69

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Solution

The fourth proportional to 7,811.47, 11,716.86 and 2,264.69 is: 3,396.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,811.47 : 11,716.86 = 2,264.69 : x
  2. Step 2: Convert to fraction form
    7,811.47/11,716.86 = 2,264.69/x
  3. Step 3: Cross multiply
    7,811.47x = 11,716.86 × 2,264.69
  4. Step 4: Simplify right side
    7,811.47x = 26,535,093.46
  5. Step 5: Solve for x
    x = 26,535,093.46/7,811.47
  6. Step 6: Final answer
    x = 3,396.94

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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.