Home / 6,860.71-9,467.79-3,716.89

Finding the Fourth Proportional to 6,860.71, 9,467.79 and 3,716.89

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Solution

The fourth proportional to 6,860.71, 9,467.79 and 3,716.89 is: 5,129.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,860.71 : 9,467.79 = 3,716.89 : x
  2. Step 2: Convert to fraction form
    6,860.71/9,467.79 = 3,716.89/x
  3. Step 3: Cross multiply
    6,860.71x = 9,467.79 × 3,716.89
  4. Step 4: Simplify right side
    6,860.71x = 35,190,733.97
  5. Step 5: Solve for x
    x = 35,190,733.97/6,860.71
  6. Step 6: Final answer
    x = 5,129.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.