Home / 7,778.07-11,668.59-2,514.51

Finding the Fourth Proportional to 7,778.07, 11,668.59 and 2,514.51

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Solution

The fourth proportional to 7,778.07, 11,668.59 and 2,514.51 is: 3,772.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,778.07 : 11,668.59 = 2,514.51 : x
  2. Step 2: Convert to fraction form
    7,778.07/11,668.59 = 2,514.51/x
  3. Step 3: Cross multiply
    7,778.07x = 11,668.59 × 2,514.51
  4. Step 4: Simplify right side
    7,778.07x = 29,340,786.24
  5. Step 5: Solve for x
    x = 29,340,786.24/7,778.07
  6. Step 6: Final answer
    x = 3,772.25

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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.