Home / 6,860.80-9,467.90-3,716.99

Finding the Fourth Proportional to 6,860.80, 9,467.90 and 3,716.99

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Solution

The fourth proportional to 6,860.80, 9,467.90 and 3,716.99 is: 5,129.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,860.80 : 9,467.90 = 3,716.99 : x
  2. Step 2: Convert to fraction form
    6,860.80/9,467.90 = 3,716.99/x
  3. Step 3: Cross multiply
    6,860.80x = 9,467.90 × 3,716.99
  4. Step 4: Simplify right side
    6,860.80x = 35,192,111.80
  5. Step 5: Solve for x
    x = 35,192,111.80/6,860.80
  6. Step 6: Final answer
    x = 5,129.44

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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.