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Finding the Fourth Proportional to 5,408.56, 7,463.64 and 3,050.38

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Solution

The fourth proportional to 5,408.56, 7,463.64 and 3,050.38 is: 4,209.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,408.56 : 7,463.64 = 3,050.38 : x
  2. Step 2: Convert to fraction form
    5,408.56/7,463.64 = 3,050.38/x
  3. Step 3: Cross multiply
    5,408.56x = 7,463.64 × 3,050.38
  4. Step 4: Simplify right side
    5,408.56x = 22,766,938.18
  5. Step 5: Solve for x
    x = 22,766,938.18/5,408.56
  6. Step 6: Final answer
    x = 4,209.43

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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.