Home / 5,434.34-8,149.05-2,144.90

Finding the Fourth Proportional to 5,434.34, 8,149.05 and 2,144.90

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Solution

The fourth proportional to 5,434.34, 8,149.05 and 2,144.90 is: 3,216.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,434.34 : 8,149.05 = 2,144.90 : x
  2. Step 2: Convert to fraction form
    5,434.34/8,149.05 = 2,144.90/x
  3. Step 3: Cross multiply
    5,434.34x = 8,149.05 × 2,144.90
  4. Step 4: Simplify right side
    5,434.34x = 17,478,897.35
  5. Step 5: Solve for x
    x = 17,478,897.35/5,434.34
  6. Step 6: Final answer
    x = 3,216.38

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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.