Home / 5,144.21-7,098.98-2,906.12

Finding the Fourth Proportional to 5,144.21, 7,098.98 and 2,906.12

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Solution

The fourth proportional to 5,144.21, 7,098.98 and 2,906.12 is: 4,010.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,144.21 : 7,098.98 = 2,906.12 : x
  2. Step 2: Convert to fraction form
    5,144.21/7,098.98 = 2,906.12/x
  3. Step 3: Cross multiply
    5,144.21x = 7,098.98 × 2,906.12
  4. Step 4: Simplify right side
    5,144.21x = 20,630,487.76
  5. Step 5: Solve for x
    x = 20,630,487.76/5,144.21
  6. Step 6: Final answer
    x = 4,010.43

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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.