Home / 5,144.63-7,099.57-2,906.40

Finding the Fourth Proportional to 5,144.63, 7,099.57 and 2,906.40

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Solution

The fourth proportional to 5,144.63, 7,099.57 and 2,906.40 is: 4,010.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,144.63 : 7,099.57 = 2,906.40 : x
  2. Step 2: Convert to fraction form
    5,144.63/7,099.57 = 2,906.40/x
  3. Step 3: Cross multiply
    5,144.63x = 7,099.57 × 2,906.40
  4. Step 4: Simplify right side
    5,144.63x = 20,634,190.25
  5. Step 5: Solve for x
    x = 20,634,190.25/5,144.63
  6. Step 6: Final answer
    x = 4,010.82

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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.