Home / 7,921.22-11,885.14-3,476.59

Finding the Fourth Proportional to 7,921.22, 11,885.14 and 3,476.59

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Solution

The fourth proportional to 7,921.22, 11,885.14 and 3,476.59 is: 5,216.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,921.22 : 11,885.14 = 3,476.59 : x
  2. Step 2: Convert to fraction form
    7,921.22/11,885.14 = 3,476.59/x
  3. Step 3: Cross multiply
    7,921.22x = 11,885.14 × 3,476.59
  4. Step 4: Simplify right side
    7,921.22x = 41,319,720.47
  5. Step 5: Solve for x
    x = 41,319,720.47/7,921.22
  6. Step 6: Final answer
    x = 5,216.33

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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.