Home / 7,514.68-11,272.34-1,968.12

Finding the Fourth Proportional to 7,514.68, 11,272.34 and 1,968.12

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Solution

The fourth proportional to 7,514.68, 11,272.34 and 1,968.12 is: 2,952.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,514.68 : 11,272.34 = 1,968.12 : x
  2. Step 2: Convert to fraction form
    7,514.68/11,272.34 = 1,968.12/x
  3. Step 3: Cross multiply
    7,514.68x = 11,272.34 × 1,968.12
  4. Step 4: Simplify right side
    7,514.68x = 22,185,317.80
  5. Step 5: Solve for x
    x = 22,185,317.80/7,514.68
  6. Step 6: Final answer
    x = 2,952.26

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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.