Home / 5,614.44-8,422.59-2,105.70

Finding the Fourth Proportional to 5,614.44, 8,422.59 and 2,105.70

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Solution

The fourth proportional to 5,614.44, 8,422.59 and 2,105.70 is: 3,158.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,614.44 : 8,422.59 = 2,105.70 : x
  2. Step 2: Convert to fraction form
    5,614.44/8,422.59 = 2,105.70/x
  3. Step 3: Cross multiply
    5,614.44x = 8,422.59 × 2,105.70
  4. Step 4: Simplify right side
    5,614.44x = 17,735,447.76
  5. Step 5: Solve for x
    x = 17,735,447.76/5,614.44
  6. Step 6: Final answer
    x = 3,158.90

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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.