Home / 7,514.05-11,272.92-5,297.21

Finding the Fourth Proportional to 7,514.05, 11,272.92 and 5,297.21

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Solution

The fourth proportional to 7,514.05, 11,272.92 and 5,297.21 is: 7,947.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,514.05 : 11,272.92 = 5,297.21 : x
  2. Step 2: Convert to fraction form
    7,514.05/11,272.92 = 5,297.21/x
  3. Step 3: Cross multiply
    7,514.05x = 11,272.92 × 5,297.21
  4. Step 4: Simplify right side
    7,514.05x = 59,714,998.07
  5. Step 5: Solve for x
    x = 59,714,998.07/7,514.05
  6. Step 6: Final answer
    x = 7,947.12

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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.