Home / 8,716.07-13,066.75-3,781.99

Finding the Fourth Proportional to 8,716.07, 13,066.75 and 3,781.99

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Solution

The fourth proportional to 8,716.07, 13,066.75 and 3,781.99 is: 5,669.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,716.07 : 13,066.75 = 3,781.99 : x
  2. Step 2: Convert to fraction form
    8,716.07/13,066.75 = 3,781.99/x
  3. Step 3: Cross multiply
    8,716.07x = 13,066.75 × 3,781.99
  4. Step 4: Simplify right side
    8,716.07x = 49,418,317.83
  5. Step 5: Solve for x
    x = 49,418,317.83/8,716.07
  6. Step 6: Final answer
    x = 5,669.79

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1.5x scale

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.