Home / 4,106.09-5,664.44-2,689.16

Finding the Fourth Proportional to 4,106.09, 5,664.44 and 2,689.16

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Solution

The fourth proportional to 4,106.09, 5,664.44 and 2,689.16 is: 3,709.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,106.09 : 5,664.44 = 2,689.16 : x
  2. Step 2: Convert to fraction form
    4,106.09/5,664.44 = 2,689.16/x
  3. Step 3: Cross multiply
    4,106.09x = 5,664.44 × 2,689.16
  4. Step 4: Simplify right side
    4,106.09x = 15,232,563.87
  5. Step 5: Solve for x
    x = 15,232,563.87/4,106.09
  6. Step 6: Final answer
    x = 3,709.75

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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.