Home / 7,786.16-11,682.36-3,168.08

Finding the Fourth Proportional to 7,786.16, 11,682.36 and 3,168.08

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Solution

The fourth proportional to 7,786.16, 11,682.36 and 3,168.08 is: 4,753.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,786.16 : 11,682.36 = 3,168.08 : x
  2. Step 2: Convert to fraction form
    7,786.16/11,682.36 = 3,168.08/x
  3. Step 3: Cross multiply
    7,786.16x = 11,682.36 × 3,168.08
  4. Step 4: Simplify right side
    7,786.16x = 37,010,651.07
  5. Step 5: Solve for x
    x = 37,010,651.07/7,786.16
  6. Step 6: Final answer
    x = 4,753.39

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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.