Home / 6,087.71-9,131.63-2,138.81

Finding the Fourth Proportional to 6,087.71, 9,131.63 and 2,138.81

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Solution

The fourth proportional to 6,087.71, 9,131.63 and 2,138.81 is: 3,208.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,087.71 : 9,131.63 = 2,138.81 : x
  2. Step 2: Convert to fraction form
    6,087.71/9,131.63 = 2,138.81/x
  3. Step 3: Cross multiply
    6,087.71x = 9,131.63 × 2,138.81
  4. Step 4: Simplify right side
    6,087.71x = 19,530,765.21
  5. Step 5: Solve for x
    x = 19,530,765.21/6,087.71
  6. Step 6: Final answer
    x = 3,208.23

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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.