Home / 5,617.91-8,427.06-2,107.56

Finding the Fourth Proportional to 5,617.91, 8,427.06 and 2,107.56

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Solution

The fourth proportional to 5,617.91, 8,427.06 and 2,107.56 is: 3,161.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,617.91 : 8,427.06 = 2,107.56 : x
  2. Step 2: Convert to fraction form
    5,617.91/8,427.06 = 2,107.56/x
  3. Step 3: Cross multiply
    5,617.91x = 8,427.06 × 2,107.56
  4. Step 4: Simplify right side
    5,617.91x = 17,760,534.57
  5. Step 5: Solve for x
    x = 17,760,534.57/5,617.91
  6. Step 6: Final answer
    x = 3,161.41

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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.