Home / 8,716.61-13,076.48-3,177.72

Finding the Fourth Proportional to 8,716.61, 13,076.48 and 3,177.72

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Solution

The fourth proportional to 8,716.61, 13,076.48 and 3,177.72 is: 4,767.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,716.61 : 13,076.48 = 3,177.72 : x
  2. Step 2: Convert to fraction form
    8,716.61/13,076.48 = 3,177.72/x
  3. Step 3: Cross multiply
    8,716.61x = 13,076.48 × 3,177.72
  4. Step 4: Simplify right side
    8,716.61x = 41,553,376.14
  5. Step 5: Solve for x
    x = 41,553,376.14/8,716.61
  6. Step 6: Final answer
    x = 4,767.15

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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.