Home / 4,086.32-6,122.18-2,109.51

Finding the Fourth Proportional to 4,086.32, 6,122.18 and 2,109.51

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Solution

The fourth proportional to 4,086.32, 6,122.18 and 2,109.51 is: 3,160.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,086.32 : 6,122.18 = 2,109.51 : x
  2. Step 2: Convert to fraction form
    4,086.32/6,122.18 = 2,109.51/x
  3. Step 3: Cross multiply
    4,086.32x = 6,122.18 × 2,109.51
  4. Step 4: Simplify right side
    4,086.32x = 12,914,805.21
  5. Step 5: Solve for x
    x = 12,914,805.21/4,086.32
  6. Step 6: Final answer
    x = 3,160.50

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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.