Home / 4,086.73-5,636.41-2,670.31

Finding the Fourth Proportional to 4,086.73, 5,636.41 and 2,670.31

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Solution

The fourth proportional to 4,086.73, 5,636.41 and 2,670.31 is: 3,682.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,086.73 : 5,636.41 = 2,670.31 : x
  2. Step 2: Convert to fraction form
    4,086.73/5,636.41 = 2,670.31/x
  3. Step 3: Cross multiply
    4,086.73x = 5,636.41 × 2,670.31
  4. Step 4: Simplify right side
    4,086.73x = 15,050,961.99
  5. Step 5: Solve for x
    x = 15,050,961.99/4,086.73
  6. Step 6: Final answer
    x = 3,682.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.