Home / 5,514.51-8,272.78-1,816.88

Finding the Fourth Proportional to 5,514.51, 8,272.78 and 1,816.88

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Solution

The fourth proportional to 5,514.51, 8,272.78 and 1,816.88 is: 2,725.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,514.51 : 8,272.78 = 1,816.88 : x
  2. Step 2: Convert to fraction form
    5,514.51/8,272.78 = 1,816.88/x
  3. Step 3: Cross multiply
    5,514.51x = 8,272.78 × 1,816.88
  4. Step 4: Simplify right side
    5,514.51x = 15,030,659.37
  5. Step 5: Solve for x
    x = 15,030,659.37/5,514.51
  6. Step 6: Final answer
    x = 2,725.66

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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.