Home / 8,716.12-13,066.89-4,039.48

Finding the Fourth Proportional to 8,716.12, 13,066.89 and 4,039.48

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Solution

The fourth proportional to 8,716.12, 13,066.89 and 4,039.48 is: 6,055.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,716.12 : 13,066.89 = 4,039.48 : x
  2. Step 2: Convert to fraction form
    8,716.12/13,066.89 = 4,039.48/x
  3. Step 3: Cross multiply
    8,716.12x = 13,066.89 × 4,039.48
  4. Step 4: Simplify right side
    8,716.12x = 52,783,472.30
  5. Step 5: Solve for x
    x = 52,783,472.30/8,716.12
  6. Step 6: Final answer
    x = 6,055.84

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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.