Home / 5,087.91-7,634.45-2,457.64

Finding the Fourth Proportional to 5,087.91, 7,634.45 and 2,457.64

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Solution

The fourth proportional to 5,087.91, 7,634.45 and 2,457.64 is: 3,687.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,087.91 : 7,634.45 = 2,457.64 : x
  2. Step 2: Convert to fraction form
    5,087.91/7,634.45 = 2,457.64/x
  3. Step 3: Cross multiply
    5,087.91x = 7,634.45 × 2,457.64
  4. Step 4: Simplify right side
    5,087.91x = 18,762,745.39
  5. Step 5: Solve for x
    x = 18,762,745.39/5,087.91
  6. Step 6: Final answer
    x = 3,687.71

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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.