Home / 5,422.08-8,127.53-2,645.33

Finding the Fourth Proportional to 5,422.08, 8,127.53 and 2,645.33

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Solution

The fourth proportional to 5,422.08, 8,127.53 and 2,645.33 is: 3,965.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,422.08 : 8,127.53 = 2,645.33 : x
  2. Step 2: Convert to fraction form
    5,422.08/8,127.53 = 2,645.33/x
  3. Step 3: Cross multiply
    5,422.08x = 8,127.53 × 2,645.33
  4. Step 4: Simplify right side
    5,422.08x = 21,499,998.93
  5. Step 5: Solve for x
    x = 21,499,998.93/5,422.08
  6. Step 6: Final answer
    x = 3,965.27

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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.