Home / 5,617.94-8,427.11-2,107.59

Finding the Fourth Proportional to 5,617.94, 8,427.11 and 2,107.59

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Solution

The fourth proportional to 5,617.94, 8,427.11 and 2,107.59 is: 3,161.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,617.94 : 8,427.11 = 2,107.59 : x
  2. Step 2: Convert to fraction form
    5,617.94/8,427.11 = 2,107.59/x
  3. Step 3: Cross multiply
    5,617.94x = 8,427.11 × 2,107.59
  4. Step 4: Simplify right side
    5,617.94x = 17,760,882.23
  5. Step 5: Solve for x
    x = 17,760,882.23/5,617.94
  6. Step 6: Final answer
    x = 3,161.46

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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.