Home / 7,716.64-11,550.12-5,086.30

Finding the Fourth Proportional to 7,716.64, 11,550.12 and 5,086.30

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Solution

The fourth proportional to 7,716.64, 11,550.12 and 5,086.30 is: 7,613.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,716.64 : 11,550.12 = 5,086.30 : x
  2. Step 2: Convert to fraction form
    7,716.64/11,550.12 = 5,086.30/x
  3. Step 3: Cross multiply
    7,716.64x = 11,550.12 × 5,086.30
  4. Step 4: Simplify right side
    7,716.64x = 58,747,375.36
  5. Step 5: Solve for x
    x = 58,747,375.36/7,716.64
  6. Step 6: Final answer
    x = 7,613.08

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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.