Home / 8,447.88-11,661.53-5,767.95

Finding the Fourth Proportional to 8,447.88, 11,661.53 and 5,767.95

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Solution

The fourth proportional to 8,447.88, 11,661.53 and 5,767.95 is: 7,962.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,447.88 : 11,661.53 = 5,767.95 : x
  2. Step 2: Convert to fraction form
    8,447.88/11,661.53 = 5,767.95/x
  3. Step 3: Cross multiply
    8,447.88x = 11,661.53 × 5,767.95
  4. Step 4: Simplify right side
    8,447.88x = 67,263,121.96
  5. Step 5: Solve for x
    x = 67,263,121.96/8,447.88
  6. Step 6: Final answer
    x = 7,962.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.