Home / 8,181.49-12,265.73-3,561.25

Finding the Fourth Proportional to 8,181.49, 12,265.73 and 3,561.25

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Solution

The fourth proportional to 8,181.49, 12,265.73 and 3,561.25 is: 5,339.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,181.49 : 12,265.73 = 3,561.25 : x
  2. Step 2: Convert to fraction form
    8,181.49/12,265.73 = 3,561.25/x
  3. Step 3: Cross multiply
    8,181.49x = 12,265.73 × 3,561.25
  4. Step 4: Simplify right side
    8,181.49x = 43,681,330.96
  5. Step 5: Solve for x
    x = 43,681,330.96/8,181.49
  6. Step 6: Final answer
    x = 5,339.04

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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.