Home / 7,808.05-11,716.65-2,881.12

Finding the Fourth Proportional to 7,808.05, 11,716.65 and 2,881.12

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Solution

The fourth proportional to 7,808.05, 11,716.65 and 2,881.12 is: 4,323.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,808.05 : 11,716.65 = 2,881.12 : x
  2. Step 2: Convert to fraction form
    7,808.05/11,716.65 = 2,881.12/x
  3. Step 3: Cross multiply
    7,808.05x = 11,716.65 × 2,881.12
  4. Step 4: Simplify right side
    7,808.05x = 33,757,074.65
  5. Step 5: Solve for x
    x = 33,757,074.65/7,808.05
  6. Step 6: Final answer
    x = 4,323.37

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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.