Home / 7,768.91-11,643.64-6,118.94

Finding the Fourth Proportional to 7,768.91, 11,643.64 and 6,118.94

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Solution

The fourth proportional to 7,768.91, 11,643.64 and 6,118.94 is: 9,170.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,768.91 : 11,643.64 = 6,118.94 : x
  2. Step 2: Convert to fraction form
    7,768.91/11,643.64 = 6,118.94/x
  3. Step 3: Cross multiply
    7,768.91x = 11,643.64 × 6,118.94
  4. Step 4: Simplify right side
    7,768.91x = 71,246,734.54
  5. Step 5: Solve for x
    x = 71,246,734.54/7,768.91
  6. Step 6: Final answer
    x = 9,170.75

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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.