Home / 6,860.21-9,467.09-3,716.40

Finding the Fourth Proportional to 6,860.21, 9,467.09 and 3,716.40

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Solution

The fourth proportional to 6,860.21, 9,467.09 and 3,716.40 is: 5,128.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,860.21 : 9,467.09 = 3,716.40 : x
  2. Step 2: Convert to fraction form
    6,860.21/9,467.09 = 3,716.40/x
  3. Step 3: Cross multiply
    6,860.21x = 9,467.09 × 3,716.40
  4. Step 4: Simplify right side
    6,860.21x = 35,183,474.69
  5. Step 5: Solve for x
    x = 35,183,474.69/6,860.21
  6. Step 6: Final answer
    x = 5,128.63

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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.