Home / 4,059.97-6,090.86-1,286.42

Finding the Fourth Proportional to 4,059.97, 6,090.86 and 1,286.42

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Solution

The fourth proportional to 4,059.97, 6,090.86 and 1,286.42 is: 1,929.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,059.97 : 6,090.86 = 1,286.42 : x
  2. Step 2: Convert to fraction form
    4,059.97/6,090.86 = 1,286.42/x
  3. Step 3: Cross multiply
    4,059.97x = 6,090.86 × 1,286.42
  4. Step 4: Simplify right side
    4,059.97x = 7,835,404.12
  5. Step 5: Solve for x
    x = 7,835,404.12/4,059.97
  6. Step 6: Final answer
    x = 1,929.92

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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.