Home / 5,087.06-7,628.08-2,124.62

Finding the Fourth Proportional to 5,087.06, 7,628.08 and 2,124.62

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Solution

The fourth proportional to 5,087.06, 7,628.08 and 2,124.62 is: 3,185.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,087.06 : 7,628.08 = 2,124.62 : x
  2. Step 2: Convert to fraction form
    5,087.06/7,628.08 = 2,124.62/x
  3. Step 3: Cross multiply
    5,087.06x = 7,628.08 × 2,124.62
  4. Step 4: Simplify right side
    5,087.06x = 16,206,771.33
  5. Step 5: Solve for x
    x = 16,206,771.33/5,087.06
  6. Step 6: Final answer
    x = 3,185.88

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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.