Home / 7,668.35-11,505.44-2,991.64

Finding the Fourth Proportional to 7,668.35, 11,505.44 and 2,991.64

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Solution

The fourth proportional to 7,668.35, 11,505.44 and 2,991.64 is: 4,488.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,668.35 : 11,505.44 = 2,991.64 : x
  2. Step 2: Convert to fraction form
    7,668.35/11,505.44 = 2,991.64/x
  3. Step 3: Cross multiply
    7,668.35x = 11,505.44 × 2,991.64
  4. Step 4: Simplify right side
    7,668.35x = 34,420,134.52
  5. Step 5: Solve for x
    x = 34,420,134.52/7,668.35
  6. Step 6: Final answer
    x = 4,488.60

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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.