Home / 8,716.98-13,081.65-3,788.06

Finding the Fourth Proportional to 8,716.98, 13,081.65 and 3,788.06

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Solution

The fourth proportional to 8,716.98, 13,081.65 and 3,788.06 is: 5,684.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,716.98 : 13,081.65 = 3,788.06 : x
  2. Step 2: Convert to fraction form
    8,716.98/13,081.65 = 3,788.06/x
  3. Step 3: Cross multiply
    8,716.98x = 13,081.65 × 3,788.06
  4. Step 4: Simplify right side
    8,716.98x = 49,554,056.16
  5. Step 5: Solve for x
    x = 49,554,056.16/8,716.98
  6. Step 6: Final answer
    x = 5,684.77

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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.