Home / 5,087.78-7,607.87-3,622.49

Finding the Fourth Proportional to 5,087.78, 7,607.87 and 3,622.49

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Solution

The fourth proportional to 5,087.78, 7,607.87 and 3,622.49 is: 5,416.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,087.78 : 7,607.87 = 3,622.49 : x
  2. Step 2: Convert to fraction form
    5,087.78/7,607.87 = 3,622.49/x
  3. Step 3: Cross multiply
    5,087.78x = 7,607.87 × 3,622.49
  4. Step 4: Simplify right side
    5,087.78x = 27,559,414.88
  5. Step 5: Solve for x
    x = 27,559,414.88/5,087.78
  6. Step 6: Final answer
    x = 5,416.79

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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.